| 5492329 |
pine wilt nematode |
Bursaphelenchus xylophilus |
Posterior region of pine wood (pine wilt) nematode adult male |
| 5492328 |
pine wilt nematode |
Bursaphelenchus xylophilus |
Posterior region of pine wood (pine wilt) nematode adult male |
| 5492333 |
pine wilt nematode |
Bursaphelenchus xylophilus |
Anterior half of a pine wood (pine wilt) nematode |
| 5492335 |
pine wilt nematode |
Bursaphelenchus xylophilus |
view of head region of an individual Bursaphelenchus nematode |
| 5492334 |
pine wilt nematode |
Bursaphelenchus xylophilus |
Anterior region of a pine wood (pine wilt) nematode showing metacorpus |
| 5495209 |
stem and bulb nematode |
Ditylenchus dipsaci |
White flagging in summer regrowth |
| 5495210 |
stem and bulb nematode |
Ditylenchus dipsaci |
White flagging in summer regrowth |
| 1574114 |
root-knot nematode |
Meloidogyne spp. |
Two dug-up squash plants reveals galling on roots. Chlorotic, stunted squash plants are the result of root-knot nematode infection. Note the galling on roots. See 1574017 for above-ground symptoms. October 1997
|
| 1574112 |
root-knot nematode |
Meloidogyne spp. |
Chlorotic, stunted squash plants are the result of root-knot nematode infection. Note the galling on roots. See 1574017 for above-ground symptoms. October 1997 |
| 1574113 |
root-knot nematode |
Meloidogyne spp. |
Chlorotic, stunted squash plants are the result of root-knot nematode infection. Note the galling on roots. See 1574017 for above-ground symptoms. October 1997
|
| 1574109 |
root-knot nematode |
Meloidogyne spp. |
Chlorotic, stunted squash plants are the result of root-knot nematode infection. Note the galling on roots. See 1574017 for above-ground symptoms. October 1997
|
| 1574110 |
root-knot nematode |
Meloidogyne spp. |
Chlorotic, stunted squash plants are the result of root-knot nematode infection. Note the galling on roots. See 1574017 for above-ground symptoms. October 1997
|
| 1574111 |
root-knot nematode |
Meloidogyne spp. |
Chlorotic, stunted squash plants are the result of root-knot nematode infection. Note the galling on roots. See 1574017 for above-ground symptoms. October 1997
|
| 1574108 |
root-knot nematode |
Meloidogyne spp. |
Chlorotic, stunted squash plants are the result of root-knot nematode infection. Note the galling on roots. See 1574017 for above-ground symptoms. October 1997 |
| 1574106 |
root-knot nematode |
Meloidogyne spp. |
Chlorotic, stunted squash plants are the result of root-knot nematode infection. October 1997 |
| 1574107 |
root-knot nematode |
Meloidogyne spp. |
Chlorotic, stunted squash plants are the result of root-knot nematode infection. October 1997
|
| 1574105 |
root-knot nematode |
Meloidogyne spp. |
Small squash plants are being attacked by root-knot nematode at the roots. October 1997 |
| 1573988 |
root-knot nematode |
Meloidogyne spp. |
Close-up of cracking on root caused by root-knot nematode infection. September 1997 |
| 1573987 |
root-knot nematode |
Meloidogyne spp. |
Cracking on root set from a single plant. September 1997 |
| 1573985 |
root-knot nematode |
Meloidogyne spp. |
Galls on feeder roots. September 1997 |
| 1573986 |
root-knot nematode |
Meloidogyne spp. |
Galls on feeder roots. September 1997 |
| 5492373 |
lance nematodes |
Hoplolaimus spp. |
male anterior region
Host: Paspalum vaginatum |
| 5492374 |
lance nematodes |
Hoplolaimus spp. |
male tail
Host: Paspalum vaginatum |
| 5492372 |
lance nematodes |
Hoplolaimus spp. |
male anterior region
Host: Paspalum vaginatum |
| 5492371 |
foliar nematodes |
Aphelenchoides spp. |
angular, vein delimited necrosis |
| 5492232 |
root-knot nematode |
Meloidogyne spp. |
Nematode infected roots |
| 1573331 |
root-knot nematode |
Meloidogyne spp. |
Galled roots of beet caused by root knot nematode. June 1997 |
| 1573330 |
root-knot nematode |
Meloidogyne spp. |
Galled roots of beet caused by root knot nematode. June 1997 |
| 1573329 |
root-knot nematode |
Meloidogyne spp. |
Galled roots of beet caused by root knot nematode. June 1997 |
| 1568133 |
root-knot nematode |
Meloidogyne spp. |
Root galls |
| 5487872 |
root-knot nematode |
Meloidogyne arenaria |
root galls |
| 5487868 |
root-knot nematode |
Meloidogyne arenaria |
root galls |
| 5487869 |
root-knot nematode |
Meloidogyne arenaria |
Root galls |
| 5487870 |
root-knot nematode |
Meloidogyne arenaria |
root galls |
| 1356007 |
yellow potato cyst nematode |
Globodera rostochiensis |
Painting of the life cycle of the golden potato cyst nematode, Globodera rostochiensis. |
| 5487795 |
root-knot nematode |
Meloidogyne spp. |
|
| 5487796 |
root-knot nematode |
Meloidogyne spp. |
|
| 5487794 |
root-knot nematode |
Meloidogyne spp. |
|
| 5487811 |
root-knot nematode |
Meloidogyne spp. |
|
| 5487812 |
root-knot nematode |
Meloidogyne spp. |
|
| 5487814 |
root-knot nematode |
Meloidogyne spp. |
|
| 5487714 |
root-knot nematode |
Meloidogyne spp. |
|
| 1356090 |
coffee root-knot nematode |
Meloidogyne arabicida |
anterior end of a male as seen with the scanning electron microscope |
| 5433469 |
root-knot nematode |
Meloidogyne incognita |
Intercepted from Japan by C. Olsen of USDA, Plant Protection & Quarantine at Atlanta International Airport. |
| 5433470 |
root-knot nematode |
Meloidogyne incognita |
Intercepted from Japan by C. Olsen of USDA, Plant Protection & Quarantine at Atlanta International Airport. |
| 5433471 |
root-knot nematode |
Meloidogyne incognita |
Intercepted from Japan by C. Olsen of USDA, Plant Protection & Quarantine at Atlanta International Airport. |
| 5433472 |
root-knot nematode |
Meloidogyne incognita |
Intercepted from Japan by C. Olsen of USDA, Plant Protection & Quarantine at Atlanta International Airport. |
| 5433473 |
root-knot nematode |
Meloidogyne incognita |
Intercepted from Japan by C. Olsen of USDA, Plant Protection & Quarantine at Atlanta International Airport. |
| 5433474 |
root-knot nematode |
Meloidogyne incognita |
Intercepted from Japan by C. Olsen of USDA, Plant Protection & Quarantine at Atlanta International Airport. |
| 5433475 |
root-knot nematode |
Meloidogyne incognita |
Intercepted from Japan by C. Olsen of USDA, Plant Protection & Quarantine at Atlanta International Airport. |
| 5433476 |
root-knot nematode |
Meloidogyne incognita |
Intercepted from Japan by C. Olsen of USDA, Plant Protection & Quarantine at Atlanta International Airport. |
| 5479867 |
soybean cyst nematode |
Heterodera glycines |
Cysts on roots |
| 5460018 |
northern root-knot nematode |
Meloidogyne hapla |
|
| 5476455 |
foliar nematodes |
Aphelenchoides spp. |
Nematodes in leaf tissue stained with cotton blue |
| 5476456 |
foliar nematodes |
Aphelenchoides spp. |
Symptoms- angular lesions |
| 5476454 |
foliar nematodes |
Aphelenchoides spp. |
Angular leaf lesions |
| 5476506 |
stem and bulb nematode |
Ditylenchus dipsaci |
Garlic heavily infested by nematode - roots rotted away |
| 5476504 |
stem and bulb nematode |
Ditylenchus dipsaci |
Nematode, full length view showing stylet |
| 5476505 |
stem and bulb nematode |
Ditylenchus dipsaci |
Nematode showing stylet |
| 5476503 |
stem and bulb nematode |
Ditylenchus dipsaci |
Nematode tail |
| 5476502 |
stem and bulb nematode |
Ditylenchus dipsaci |
Nematode showing stylet |
| 5476501 |
stem and bulb nematode |
Ditylenchus dipsaci |
Nematode, full length view |
| 5476500 |
stem and bulb nematode |
Ditylenchus dipsaci |
Nematode showing stylet |
| 5476499 |
stem and bulb nematode |
Ditylenchus dipsaci |
Nematode showing stylet |
| 5466926 |
yellow potato cyst nematode |
Globodera rostochiensis |
PCN view |
| 5473579 |
soybean cyst nematode |
Heterodera glycines |
Soybean cyst nematode |
| 5430022 |
soybean cyst nematode |
Heterodera glycines |
Soybean variety trial showing on plot where the Soybean cyst nematode, Heterodera glycines, has significantly stunted the plants. |
| 5430023 |
soybean cyst nematode |
Heterodera glycines |
Soybean field with a samll area of stunted plants due to infestation of Soybean cyst nematodes, Heterodera glycines. |
| 5430024 |
soybean cyst nematode |
Heterodera glycines |
Cysts of the Soybean cyst nematode, Heterodera glycines, seen as small, round, white structures on soybean roots dug in the field. |
| 5389725 |
ring nematodes |
Criconemella spp. |
stylet |
| 5389724 |
ring nematodes |
Criconemella spp. |
stylet |
| 5461618 |
stem and bulb nematode |
Ditylenchus dipsaci |
Bloat nematode injury |
| 1572204 |
root-knot nematode |
Meloidogyne incognita |
Galling on lettuce roots from root-knot nematode. |
| 5461611 |
stem and bulb nematode |
Ditylenchus dipsaci |
Garlic Bloat Nematode symptoms |
| 5461610 |
stem and bulb nematode |
Ditylenchus dipsaci |
Garlic Bloat Nematode symptoms |
| 1571948 |
sugar beet cyst nematode |
Heterodera schachtii |
Sugar beet cyst (white dot in center of frame) on small roots of sugar beet plant. February 1996 |
| 1571921 |
sugar beet cyst nematode |
Heterodera schachtii |
Sugar beet cyst (white dot in center of frame) on small roots of sugar beet plant. February 1996 |
| 1571920 |
sugar beet cyst nematode |
Heterodera schachtii |
Sugar beet cyst (white dot in center of frame) on small roots of sugar beet plant. February 1996 |
| 5469496 |
soybean cyst nematode |
Heterodera glycines |
|
| 0162053 |
rice white tip nematode |
Aphelenchoides besseyi |
|
| 0162069 |
burrowing nematode |
Radopholus similis |
|
| 0162064 |
stem and bulb nematode |
Ditylenchus dipsaci |
|
| 0162065 |
stem and bulb nematode |
Ditylenchus dipsaci |
|
| 0162060 |
stem and bulb nematode |
Ditylenchus dipsaci |
Damage to Narcissus bulb. |
| 0162062 |
stem and bulb nematode |
Ditylenchus dipsaci |
Damage to onion plants. |
| 5435803 |
stem-gall nematode |
Subanguina picridis |
nematodes in crushed gall material |
| 5435804 |
stem-gall nematode |
Subanguina picridis |
nematodes in crushed gall material |
| 5435805 |
stem-gall nematode |
Subanguina picridis |
original nematode release site in 2004, compare with grassy site in 2006. |
| 5435882 |
ring nematode |
Criconemoides spp. |
|
| 1356033 |
wheat seed-gall nematode |
Anguina tritici |
Adults and eggs teased out of an infected wheat seed kernel. |
| 1356144 |
yellow potato cyst nematode |
Globodera rostochiensis |
closeup of an egg isolated from a cyst showing stylet and the feeding apparatus of the juvenile within the egg |
| 1356139 |
yellow potato cyst nematode |
Globodera rostochiensis |
A crushed cyst with numerous eggs. |
| 1194083 |
northern root-knot nematode |
Meloidogyne hapla |
damage to lettuce |
| 1194085 |
root-knot nematode |
Meloidogyne incognita |
damage to potato |
| 1194032 |
cereal cyst nematode |
Heterodera avenae |
damage to wheat |
| 1570798 |
sugar beet cyst nematode |
Heterodera schachtii |
Healthy (left) and cyst nematode (Heterodera schachtii) infected roots (right) of sugar beet. May 1994 |
| 0660014 |
burrowing nematode |
Radopholus similis |
Damage to Maranta sp. Healthy plant on left. |
| 0162067 |
stem and bulb nematode |
Ditylenchus dipsaci |
Damage in a lucerne field. |
| 0162059 |
stem and bulb nematode |
Ditylenchus dipsaci |
Patches in lucerne field. |
| 1406275 |
pine wilt nematode |
Bursaphelenchus xylophilus |
|
| 1406274 |
pine wilt nematode |
Bursaphelenchus xylophilus |
|
| 1356052 |
yellow potato cyst nematode |
Globodera rostochiensis |
Healthy potato variety Désirée on right compared to infected potato on left. |
| 1356069 |
burrowing nematode |
Radopholus similis |
Orange tree severely debilitated by burrowing nematode in Florida which causes spreading decline. |
| 1356083 |
root-knot nematode |
Meloidogyne salasi |
root-knot nematode on rice |
| 1356079 |
burrowing nematode |
Radopholus similis |
Orange tree dead from damage. |
| 1356081 |
yellow potato cyst nematode |
Globodera rostochiensis |
Potato plants infected with yPCN Globodera rostochiensis. Strongest on right. |
| 1356082 |
yellow potato cyst nematode |
Globodera rostochiensis |
Yellow females of yPCN Globodera rostochiensis on root. |
| 1356101 |
burrowing nematode |
Radopholus similis |
On banana roots |
| 1356116 |
burrowing nematode |
Radopholus similis |
symptoms of spreading decline disease of citrus caused by Radopholus similis. |
| 1356114 |
burrowing nematode |
Radopholus similis |
Lesions caused in banana. |
| 1356128 |
yellow potato cyst nematode |
Globodera rostochiensis |
White females on a potato root. |
| 1356127 |
yellow potato cyst nematode |
Globodera rostochiensis |
Golden yellow cyst on potato root. |
| 1402036 |
tobacco cyst nematode |
Globodera solanacearum |
Plants infected by this nematode are stunted and have reduced root systems. Roots are pruned and may have brown decayed areas. Female nematodes, the size of tobacco seed, may be seen attached to the roots. They are round and vary in color from white to dark brown. Flowering of plants may be delayed up to two months, and leaves on infected plants are greener than normal. Stunted plants may appear to recover, but they will never achieve normal size. Root examination and soil assays are necessary for accurate diagnosis. |
| 1234131 |
sting nematode |
Belonolaimus spp. |
|
| 1234195 |
root-knot nematode |
Meloidogyne spp. |
to root |
| 1235019 |
sting nematode |
Belonolaimus spp. |
|
| 1356006 |
wheat seed-gall nematode |
Anguina tritici |
Top healthy, bottom infected. On wheat |
| 2131018 |
pine wilt nematode |
Bursaphelenchus xylophilus |
Pure Masson pine forest invaded by PWN in 1996 |
| 2131019 |
pine wilt nematode |
Bursaphelenchus xylophilus |
The regeneration of young masson pine forest in epidemic regions of PWN |
| 5440173 |
root-knot nematode |
Meloidogyne spp. |
Yellowing of plants in patches in field infested with root-knot nematode. |
| 5440174 |
root-knot nematode |
Meloidogyne spp. |
Yellowing and death of plants infected with root-knot nematode. |
| 5440175 |
root-knot nematode |
Meloidogyne spp. |
Galls on roots of soybean. |
| 5440176 |
root-knot nematode |
Meloidogyne spp. |
Galls on roots of soybean |
| 5440177 |
root-knot nematode |
Meloidogyne spp. |
Yellowing of plants infested with root-knot nematode. |
| 5440178 |
root-knot nematode |
Meloidogyne spp. |
Yellowing and death of plants infected with root-knot nematodes. |
| 5440179 |
root-knot nematode |
Meloidogyne spp. |
Yellowing and death of plants infected with root-knot nematodes. |
| 1476131 |
entomopathogenic nematode |
Steinernema carpocapsae |
corn earworm larva killed following ear tip injection of entomopathogenic nematodes |
| 1476129 |
entomopathogenic nematode |
Heterorhabditis bacteriophora |
White grub larva killed by Heterorhabditis bacteriophora next to two healthy larvae |
| 1476130 |
entomopathogenic nematode |
Heterorhabditis bacteriophora |
Two white grub larvae killed by Heterorhabditis bacteriophora next to two healthy larvae |
| 5439441 |
foliar nematodes |
Aphelenchoides spp. |
|
| 1194086 |
root-knot nematode |
Meloidogyne incognita |
damage to tobacco |
| 1402035 |
lesion nematode |
Pratylenchus spp. |
Root lesion nematode damage (also called brown root rot) usually occurs in well-defined areas in the field. Infected plants are stunted, yellowed, tend to wilt during the heat of the day, and "fire" along leaf margins. Root lesion nematodes enter the white feeder roots causing small, reddish-brown lesions. Severe infections cause extensive root pruning and root rot resulting in a tap root lacking lateral roots. Secondary root growth is abundant near the soil surface away from severe nematode activity. On some rotted roots, the tissue easily sloughs off in a sleeve-like fashion, leaving the stringy vascular cylinder. |
| 0162068 |
stem and bulb nematode |
Ditylenchus dipsaci |
|
| 5435883 |
lesion nematode |
Pratylenchus spp. |
Host:Leather fern |
| 1234193 |
sting nematode |
Belonolaimus spp. |
|
| 1235020 |
sting nematode |
Belonolaimus spp. |
|
| 2131021 |
pine wilt nematode |
Bursaphelenchus xylophilus |
|
| 1436007 |
sting or lance nematode |
|
Damage to roots by either Lance nematode (Hoplolaimus columbus Sher) or Sting nematode (Belonolaimus longicaudatus Rau) |
| 0162063 |
stem and bulb nematode |
Ditylenchus dipsaci |
Damage to tulip flower. |
| 5436045 |
Heteroderid nematodes |
|
cyst on blackberry |
| 5436049 |
Heteroderid nematodes |
|
eggs within the cyst on blackberry |
| 5436050 |
Heteroderid nematodes |
|
Cyst on blackberry |
| 5435799 |
stem-gall nematode |
Subanguina picridis |
edge of Subanguina picridis (nematode) infestation on left, Springers Spring 2006, Crooked River National Grasslands. Grasses came in in spring where Russian knapweed had been stunted. |
| 5436046 |
Heteroderid nematodes |
|
A crushed cyst with numerous eggs on blackberry. |
| 5436048 |
Heteroderid nematodes |
|
a crushed cyst with numerous eggs on blackberry |
| 1440048 |
root-knot nematode |
Meloidogyne spp. |
Plants affected by root-knot nematodes are characteristically stunted and yellow and appear in irregular patches within a field. Root knot is most easily identified by the knots or galls which develop on the roots of infected plants. These galls vary from pinhead size to many times thicker than the normal root. They are irregular in shape but are usually either spindle-shaped or spherical. Affected plants wilt rapidly during dry weather and may even wilt in the presence of adequate soil moisture. Plants infected with root knot often exhibit symptoms of drought or nutritional stress. Severely affected plants may die. Other soil-borne diseases such as Fusarium wilt or black shank are often more severe when root knot nematodes are present. In northern burley tobacco areas the disease is seldom found unless tobacco is planted in old garden site, sandy river bottoms, or following vegetables. |
| 5436047 |
Heteroderid nematodes |
|
on blackberry |
| 5435881 |
lesion nematode |
Pratylenchus spp. |
|
| 5435801 |
stem-gall nematode |
Subanguina picridis |
normal plant (L), nematode galls have stunted plant (R) |
| 5435802 |
stem-gall nematode |
Subanguina picridis |
normal plant (R), nematode galls have heavily stunted plant (L) |
| 1235021 |
sting nematode |
Belonolaimus spp. |
|
| 0177003 |
pine wilt nematode |
Bursaphelenchus xylophilus |
Mortality in Japan |
| 5435884 |
lesion nematode |
Pratylenchus spp. |
|
| 5435800 |
stem-gall nematode |
Subanguina picridis |
nematode galls, can heavily stunt plants. |
| 1436024 |
root-knot nematode |
Meloidogyne spp. |
|
| 1436015 |
sting nematode |
Belonolaimus spp. |
Damage to roots |
| 1406271 |
pine wilt nematode |
Bursaphelenchus xylophilus |
|
| 0162054 |
rice white tip nematode |
Aphelenchoides besseyi |
|
| 1235023 |
sting nematode |
Belonolaimus spp. |
|
| 0162056 |
pine wilt nematode |
Bursaphelenchus xylophilus |
Pine tree in Japan killed |
| 1406270 |
pine wilt nematode |
Bursaphelenchus xylophilus |
|
| 1356146 |
yellow potato cyst nematode |
Globodera rostochiensis |
closeup of the anterior region, showing the stylet, metacorpus, and the anterior end of the esophageal dorsal gland |
| 1406277 |
pine wilt nematode |
Bursaphelenchus xylophilus |
|
| 1406279 |
pine wilt nematode |
Bursaphelenchus xylophilus |
|
| 5429861 |
foliar nematodes |
Aphelenchoides spp. |
|
| 5429862 |
foliar nematodes |
Aphelenchoides spp. |
|
| 1356151 |
yellow potato cyst nematode |
Globodera rostochiensis |
Infected plant on right, compared to healthy plant on left. |
| 1235024 |
sting nematode |
Belonolaimus spp. |
|
| 1235025 |
sting nematode |
Belonolaimus spp. |
|
| 1356086 |
yellow potato cyst nematode |
Globodera rostochiensis |
Infested potato field in Peru |
| 5411404 |
root-knot nematode |
Meloidogyne spp. |
severely galled roots |
| 5411424 |
root-knot nematode |
Meloidogyne spp. |
galls on roots |
| 5411425 |
root-knot nematode |
Meloidogyne spp. |
galls on roots |
| 1356055 |
yellow potato cyst nematode |
Globodera rostochiensis |
Small potato plots in Swiss mountain garden infested. |
| 0162055 |
pine wilt nematode |
Bursaphelenchus xylophilus |
Scattered trees killed in Japan |
| 1234194 |
sting nematode |
Belonolaimus spp. |
|
| 1356071 |
burrowing nematode |
Radopholus similis |
Spreading decline on Valencia orange (12 yr. old). |
| 1194023 |
stem and bulb nematode |
Ditylenchus dipsaci |
|
| 1356060 |
white potato cyst nematode |
Globodera pallida |
The anterior part of a second-stage juvenile. |
| 1356095 |
burrowing nematode |
Radopholus similis |
On ginger |
| 1356005 |
barley root-knot nematode |
Meloidogyne naasi |
On barley. |
| 1356011 |
wheat seed-gall nematode |
Anguina tritici |
brightfield light micrograph of a female Anguina as seen under high power magnification |
| 1356053 |
yellow potato cyst nematode |
Globodera rostochiensis |
Potato plant on right infected with the potato cyst nematode compared to healty plant on left. |
| 1356001 |
yellow potato cyst nematode |
Globodera rostochiensis |
Cysts on potato root. |
| 1406272 |
pine wilt nematode |
Bursaphelenchus xylophilus |
|
| 1442033 |
pine wilt nematode |
Bursaphelenchus xylophilus |
Lateral view of the male of the pinewood nematode Showing pointed tail and Spicula |
| 5384304 |
northern root-knot nematode |
Meloidogyne hapla |
|
| 0162048 |
rice white tip nematode |
Aphelenchoides besseyi |
|
| 2131027 |
pine wilt nematode |
Bursaphelenchus xylophilus |
Tail of a male |
| 1356123 |
barley root-knot nematode |
Meloidogyne naasi |
Light micrograph of the chromosomes. |
| 1356147 |
yellow potato cyst nematode |
Globodera rostochiensis |
comparison of Globodera rostochiensis and Globodera pallida: females of G. pallida turn directly to brown cysts whereas G. rostochiensis females change from yellow to gold before they turn brown |
| 1356014 |
barley root-knot nematode |
Meloidogyne naasi |
On the roots of red table beet. |
| 1356063 |
yellow potato cyst nematode |
Globodera rostochiensis |
Cysts of Heterodera schachtii, Globodera rostochiensis, and H. avenae. |
| 1356068 |
burrowing nematode |
Radopholus similis |
Orange tree severely debilitated in Florida which causes spreading decline. |
| 1356018 |
corn cyst nematode |
Heterodera zeae |
vuval cone cuticular pattern as seen with brightfield microscopy |
| 1356122 |
coffee root-knot nematode |
Meloidogyne exigua |
Light micrograph of the chromosomes. |
| 1356045 |
yellow potato cyst nematode |
Globodera rostochiensis |
Infested potato field. Notice the faint field symptom: the yellow strip from overlap of plots. |
| 1356152 |
burrowing nematode |
Radopholus similis |
posterior end of a male. |
| 1356031 |
root-knot nematode |
Meloidogyne brevicauda |
scanning electron micrograph of the anterior end of a male |
| 1356150 |
yellow potato cyst nematode |
Globodera rostochiensis |
On potato; note delayed flowering of infected plants. |
| 1356046 |
yellow potato cyst nematode |
Globodera rostochiensis |
Infested potato field. In the foreground: susceptible variety Désirée; background: resistant variety. |
| 1194015 |
sting nematode |
Belonolaimus longicaudatus |
cabbage response to chemical control |
| 1442032 |
pine wilt nematode |
Bursaphelenchus xylophilus |
showing epidemic of pine wilt caused by nematode |
| 1570799 |
root-knot nematode |
Meloidogyne incognita |
Healthy tomato (left) and infected with Meloidogyne incognita (right). April 1994 |
| 1570800 |
root-knot nematode |
Meloidogyne incognita |
Healthy tomato (left) and root knot (right). April 1994 |
| 1570801 |
root-knot nematode |
Meloidogyne incognita |
Healthy tomato (left) and root knot (right). See 1570799 for full-plant view. April 1994 |
| 5411331 |
root-knot nematode |
Meloidogyne spp. |
white, pear-shaped female root knot nematode embedded in root tissue |
| 1570802 |
nematode |
Tylenchulus semipenetrans |
Dirty root symptom of citrus nematode (left) in contrast to healthy roots (right). April 1994 |
| 1570803 |
nematode |
Tylenchulus semipenetrans |
Dirty root symptom of citrus nematode (left) in contrast to healthy roots (right). April 1994 |
| 1563456 |
root-knot nematode |
Meloidogyne spp. |
Sweetpotato roots after removal of epidermis at cannery showing reduced lesions caused by the root-knot nematode. Gravid females are visible in a few spots. ('Centennial' Dec66) |
| 1563457 |
root-knot nematode |
Meloidogyne spp. |
Sweetpotato roots showing lesions and deep set eyes caused by the root-knot nematode. ('Centennial' Nov78) |
| 1563454 |
root-knot nematode |
Meloidogyne spp. |
Sweetpotato roots after removal of epidermis at cannery showing lesions caused by the root-knot nematode. ('Centennial' Dec66) |
| 1563455 |
root-knot nematode |
Meloidogyne spp. |
females in processed sweetpotato
Sweetpotato roots after removal of epidermis at cannery showing lesions caused by the root-knot nematode. Gravid females an be seen in the spots. ('Centennial' 1968?) |
| 5405971 |
slug-parasitic nematode |
Phasmarhabditis hermaphrodita |
The rhabditid nematode Phasmarhabditis hermaphrodita is a bacterial feeding slug-parasitic nematode. The photo shows reproducing nematodes after killing young Iberian slug Arion lusitanicus. |
| 5405972 |
slug-parasitic nematode |
Phasmarhabditis hermaphrodita |
The rhabditid nematode Phasmarhabditis hermaphrodita is a bacterial feeding slug-parasitic nematode. The photo shows reproducing nematodes after killing young Iberian slug Arion lusitanicus. |
| 5405973 |
slug-parasitic nematode |
Phasmarhabditis hermaphrodita |
The rhabditid nematode Phasmarhabditis hermaphrodita is a bacterial feeding slug-parasitic nematode. The photo shows reproducing nematodes after killing young Iberian slug Arion lusitanicus. |
| 5405974 |
slug-parasitic nematode |
Phasmarhabditis hermaphrodita |
The rhabditid nematode Phasmarhabditis hermaphrodita is a bacterial feeding slug-parasitic nematode. The photo shows reproducing nematodes after killing young Iberian slug Arion lusitanicus. |
| 5405975 |
slug-parasitic nematode |
Phasmarhabditis hermaphrodita |
The rhabditid nematode Phasmarhabditis hermaphrodita is a bacterial feeding slug-parasitic nematode. The photo shows reproducing nematodes after killing young Iberian slug Arion lusitanicus. |
| 5405976 |
slug-parasitic nematode |
Phasmarhabditis hermaphrodita |
The rhabditid nematode Phasmarhabditis hermaphrodita is a bacterial feeding slug-parasitic nematode. The photo shows reproducing nematodes after killing young Iberian slug Arion lusitanicus. |
| 1563441 |
root-knot nematode |
Meloidogyne spp. |
Slight cracks typical of root knot lesions. (Centennial, Oct1960) |
| 1563442 |
root-knot nematode |
Meloidogyne spp. |
Roots on the left grown in non treated soil, those on the right were grown on soil treated with a fuminant nematicide, dichloroprope dichloropropane? (Jewel Oct1976) |
| 1563443 |
root-knot nematode |
Meloidogyne spp. |
Root-knot lesion on peeled sweetpotatos. Gravid nematodes are usually seen in the lesions as white dots. (Jewel, Oct 1976)) |
| 1563444 |
root-knot nematode |
Meloidogyne spp. |
Root-knot lesions after peeling root in the cannery. Gravid female nematodes can be seen in the lesions as white dots. (Jewel, Oct 1976) |
| 1563445 |
root-knot nematode |
Meloidogyne spp. |
Root-knot lesions and cracking of roots.. (Centennial, Nov 1960) |
| 1563446 |
root-knot nematode |
Meloidogyne spp. |
(Heavily cracked sweetpotato without nematodes. Cracking may be induced by variable soil moisture and nutrient levels. (Centennial, Nov 1960) |
| 1563449 |
root-knot nematode |
Meloidogyne spp. |
The newly released cultivar from Louisiana was excellent with resistance to pox but very susceptible to root-knot. Notice pattern in the field at harvest (Beauregard Oct 1991) |
| 1563450 |
root-knot nematode |
Meloidogyne spp. |
Same as previous slide. (Beauregard Oct 1991) |
| 1563451 |
root-knot nematode |
Meloidogyne spp. |
Aerial view of sweetpotato showing field pattern of symptomatic plants. (Beauregard Oct 1991) |
| 1563452 |
root-knot nematode |
Meloidogyne spp. |
Aerial view of symptomatic plant patterns in the field. (Beauregard Oct 1991) |
| 1563453 |
root-knot nematode |
Meloidogyne spp. |
Air crack on upper root and root-knot induced lesions on lower root. (Jewel, Nov 1977) |
| 5384380 |
root-knot nematode |
Meloidogyne mayaguensis |
|
| 1563433 |
root-knot nematode |
Meloidogyne spp. |
Gravid root-knot nematodes embedded at root end of edible root. The nematode can be seen in some of the lesions. (Jewel, Nov78) |
| 1563434 |
root-knot nematode |
Meloidogyne spp. |
Root-knot lesions and galls on feeder roots. (Jewel, Oct88) |
| 1563435 |
root-knot nematode |
Meloidogyne spp. |
Gravid root-knot nematodes embedded at root end of edible root. The nematode can be seen in some of the lesions. (Jewel, Jan 73) |
| 1563437 |
root-knot nematode |
Meloidogyne spp. |
Effect of root-knot nematode on growth of sweetpotato plants in a commercial field. (Centennial, <1965)
|
| 1563431 |
root-knot nematode |
Meloidogyne spp. |
Gravid female with many eggs embedded in edible root. (Jewel Nov78) |
| 1563432 |
root-knot nematode |
Meloidogyne spp. |
Gravid female with many eggs embedded in edible root. (Jewel Nov78) |
| 5384384 |
root-knot nematode |
Meloidogyne mayaguensis |
|
| 5384377 |
root-knot nematode |
Meloidogyne mayaguensis |
|
| 5384378 |
root-knot nematode |
Meloidogyne mayaguensis |
|
| 5384379 |
root-knot nematode |
Meloidogyne mayaguensis |
|
| 5384350 |
citrus root-knot nematode |
Meloidogyne citri |
|
| 5384351 |
citrus root-knot nematode |
Meloidogyne citri |
|
| 5384345 |
root-knot nematode |
Meloidogyne mayaguensis |
|
| 5384346 |
root-knot nematode |
Meloidogyne mayaguensis |
|
| 5384347 |
root-knot nematode |
Meloidogyne mayaguensis |
|
| 5384348 |
root-knot nematode |
Meloidogyne mayaguensis |
|
| 5384349 |
root-knot nematode |
Meloidogyne mayaguensis |
|
| 5384341 |
root-knot nematode |
Meloidogyne mayaguensis |
|
| 5384342 |
root-knot nematode |
Meloidogyne mayaguensis |
|
| 5384343 |
root-knot nematode |
Meloidogyne mayaguensis |
|
| 5384344 |
root-knot nematode |
Meloidogyne mayaguensis |
|
| 5384338 |
root-knot nematode |
Meloidogyne mayaguensis |
|
| 5384339 |
root-knot nematode |
Meloidogyne mayaguensis |
|
| 5384340 |
root-knot nematode |
Meloidogyne mayaguensis |
|
| 5384335 |
root-knot nematode |
Meloidogyne mayaguensis |
|
| 5384336 |
root-knot nematode |
Meloidogyne mayaguensis |
|
| 5384337 |
root-knot nematode |
Meloidogyne mayaguensis |
|
| 5384334 |
root-knot nematode |
Meloidogyne mayaguensis |
|
| 5384323 |
false root-knot nematode |
Nacobbus aberrans |
|
| 5384322 |
false root-knot nematode |
Nacobbus aberrans |
|
| 5384321 |
pecan root-knot nematode |
Meloidogyne partityla |
|
| 5384315 |
root-knot nematode |
Meloidogyne mayaguensis |
|
| 5384316 |
root-knot nematode |
Meloidogyne mayaguensis |
|
| 5384317 |
root-knot nematode |
Meloidogyne mayaguensis |
|
| 5384313 |
root-knot nematode |
Meloidogyne mayaguensis |
|
| 5384314 |
root-knot nematode |
Meloidogyne mayaguensis |
|
| 5384310 |
root-knot nematode |
Meloidogyne mayaguensis |
J2 |
| 5384311 |
root-knot nematode |
Meloidogyne mayaguensis |
J2 |
| 5384312 |
root-knot nematode |
Meloidogyne mayaguensis |
J2 |
| 5384305 |
root-knot nematode |
Meloidogyne mayaguensis |
|
| 5384306 |
root-knot nematode |
Meloidogyne mayaguensis |
|
| 5384307 |
root-knot nematode |
Meloidogyne mayaguensis |
|
| 5384308 |
root-knot nematode |
Meloidogyne mayaguensis |
|
| 5384309 |
root-knot nematode |
Meloidogyne mayaguensis |
|
| 5384272 |
burrowing nematode |
Radopholus similis |
|
| 5384273 |
burrowing nematode |
Radopholus similis |
infected citrus grove and a buffer zone
|
| 5384262 |
white potato cyst nematode |
Globodera pallida |
|
| 5384260 |
white potato cyst nematode |
Globodera pallida |
|
| 5384261 |
white potato cyst nematode |
Globodera pallida |
|
| 5384258 |
root-knot nematode |
Meloidogyne mayaguensis |
|
| 5384259 |
root-knot nematode |
Meloidogyne mayaguensis |
|
| 5384257 |
root-knot nematode |
Meloidogyne mayaguensis |
|
| 5384256 |
root-knot nematode |
Meloidogyne mayaguensis |
|
| 5384254 |
root-knot nematode |
Meloidogyne mayaguensis |
|
| 5384255 |
root-knot nematode |
Meloidogyne mayaguensis |
|
| 5384253 |
root-knot nematode |
Meloidogyne mayaguensis |
|
| 5384250 |
root-knot nematode |
Meloidogyne mayaguensis |
|
| 5384251 |
root-knot nematode |
Meloidogyne mayaguensis |
|
| 5384252 |
root-knot nematode |
Meloidogyne mayaguensis |
|
| 5384246 |
root-knot nematode |
Meloidogyne mayaguensis |
|
| 5384247 |
root-knot nematode |
Meloidogyne mayaguensis |
|
| 5384248 |
root-knot nematode |
Meloidogyne mayaguensis |
|
| 5384249 |
root-knot nematode |
Meloidogyne mayaguensis |
|
| 5384243 |
root-knot nematode |
Meloidogyne mayaguensis |
|
| 5384244 |
root-knot nematode |
Meloidogyne mayaguensis |
|
| 5384245 |
root-knot nematode |
Meloidogyne mayaguensis |
|
| 5384242 |
root-knot nematode |
Meloidogyne mayaguensis |
|
| 5384234 |
cyst-forming nematodes |
Afenestrata spp. |
|
| 5384235 |
cyst-forming nematodes |
Afenestrata spp. |
|
| 5384226 |
cyst-forming nematodes |
Afenestrata spp. |
cyst |
| 5384227 |
cyst-forming nematodes |
Afenestrata spp. |
cysts |
| 5384228 |
cyst-forming nematodes |
Afenestrata spp. |
|
| 5384229 |
cyst-forming nematodes |
Afenestrata spp. |
|
| 5384230 |
cyst-forming nematodes |
Afenestrata spp. |
|
| 5384231 |
cyst-forming nematodes |
Afenestrata spp. |
|
| 5384232 |
cyst-forming nematodes |
Afenestrata spp. |
|
| 5384233 |
cyst-forming nematodes |
Afenestrata spp. |
|
| 1563115 |
root-knot nematode |
Meloidogyne spp. |
Transition area in "hot spot." |
| 1563116 |
root-knot nematode |
Meloidogyne spp. |
Root-knot nematode galls on mature cucumber plant. |
| 1563117 |
root-knot nematode |
Meloidogyne spp. |
Root-knot galls on seedlings. |
| 1563118 |
root-knot nematode |
Meloidogyne spp. |
Root-knot galls on seedlings. |
| 1563119 |
root-knot nematode |
Meloidogyne spp. |
Root-knot galls on very young seedlings. |
| 1563120 |
root-knot nematode |
Meloidogyne spp. |
Root-knot galls on very young seedling. |
| 1563121 |
root-knot nematode |
Meloidogyne spp. |
Root-knot gall on large plant. |
| 1563122 |
root-knot nematode |
Meloidogyne spp. |
Root-knot galls on large plant. |
| 1563123 |
root-knot nematode |
Meloidogyne spp. |
Root-knot gall on mature plant. The large yellowish galls have started to deteriorate. |
| 1563110 |
root-knot nematode |
Meloidogyne spp. |
Field distribution of symptomatic plants showing a "hot spot" with diffuse borders. Older leaves tend to turn yellow and die. Notice missing plants. |
| 1563111 |
root-knot nematode |
Meloidogyne spp. |
Field distribution of symptomatic plants. Older leaves tend to turn yellow and die. |
| 5389661 |
foliar nematodes |
Aphelenchoides spp. |
|
| 5366532 |
ring nematode |
Mesocriconema xenoplax |
Microscopic view of the ring nematode Macroposthonia xenoplax, a pest species of several crops. |
| 5393019 |
yellow potato cyst nematode |
Globodera rostochiensis |
Yellow potato cyst nematode (yPCN) Globodera rostochiensis females on resistant potato (Ro-1). |
| 5393020 |
yellow potato cyst nematode |
Globodera rostochiensis |
Yellow potato cyst nematode (yPCN) Globodera rostochiensis females on resistant potato (Ro-1). |
| 5393021 |
yellow potato cyst nematode |
Globodera rostochiensis |
Yellow potato cyst nematode (yPCN) Globodera rostochiensis females on resistant potato (Ro-1). |
| 5393022 |
yellow potato cyst nematode |
Globodera rostochiensis |
Yellow potato cyst nematode (yPCN) Globodera rostochiensis females on resistant potato (Ro-1). |
| 5393023 |
yellow potato cyst nematode |
Globodera rostochiensis |
Yellow potato cyst nematode (yPCN) Globodera rostochiensis females on resistant potato (Ro-1). |
| 5393024 |
yellow potato cyst nematode |
Globodera rostochiensis |
Yellow potato cyst nematode (yPCN) Globodera rostochiensis females on resistant potato (Ro-1). |
| 5393025 |
yellow potato cyst nematode |
Globodera rostochiensis |
Yellow potato cyst nematode (yPCN) Globodera rostochiensis females on resistant potato (Ro-1). |
| 5351012 |
nematode |
Steinernema scapterisci |
entomopathogen of scarab larvae. Stage is infective juvenile. |
| 5390530 |
root-knot nematode |
Meloidogyne spp. |
Roots showing symptoms of infection with root knot nematode |
| 5390566 |
rice white tip nematode |
Aphelenchoides besseyi |
Rice leaves showing symptoms of damage caused by white tip nematode |
| 5390567 |
rice white tip nematode |
Aphelenchoides besseyi |
Rice leaves showing symptoms of damage caused by white tip nematode |
| 5389797 |
root-knot nematode |
Meloidogyne incognita |
Root knot nematodes in tuber |
| 5389798 |
root-knot nematode |
Meloidogyne incognita |
Root knot nematodes in tuber |
| 5383272 |
grass root-gall nematode |
Subanguina radicicola |
Damage on grassroots from a sport field (football stadium). Young galls with Subanguina radicicola |
| 5389322 |
potato rot nematode |
Ditylenchus destructor |
Potato rot nematode Ditylenchus destructor enters potato tubers through lenticels and initially causes small white mealy spots just below the surface that are only visible if the skin is removed. As the infestation progresses there are often secondary invasions of fungi, bacteria, etc.; Cultivar 'Mandel' |
| 5389323 |
potato rot nematode |
Ditylenchus destructor |
Potato rot nematode Ditylenchus destructor enters potato tubers through lenticels and initially causes small white mealy spots just below the surface that are only visible if the skin is removed. As the infestation progresses there are often secondary invasions of fungi, bacteria, etc.; Cultivar 'Mandel' |
| 5389324 |
potato rot nematode |
Ditylenchus destructor |
Potato rot nematode Ditylenchus destructor enters potato tubers through lenticels and initially causes small white mealy spots just below the surface that are only visible if the skin is removed. As the infestation progresses there are often secondary invasions of fungi, bacteria, etc.; Cultivar 'Mandel' |
| 5389819 |
potato rot nematode |
Ditylenchus destructor |
Potato rot nematode Ditylenchus destructor enters carrots and initially causes small white mealy spots just below the surface that are only visible if the skin is removed. As the infestation progresses there are often secondary invasions of fungi, bacteria, etc. |
| 5389820 |
potato rot nematode |
Ditylenchus destructor |
Potato rot nematode Ditylenchus destructor enters carrots and initially causes small white mealy spots just below the surface that are only visible if the skin is removed. As the infestation progresses there are often secondary invasions of fungi, bacteria, etc. |
| 5383278 |
grass root-gall nematode |
Subanguina radicicola |
Gall with many nematodes of Subanguina radicicola on turfgrass |
| 5383286 |
grass root-gall nematode |
Subanguina radicicola |
Galls with nematode Subanguina radicicola on lyme grass taken on the beach. |
| 5383285 |
grass root-gall nematode |
Subanguina radicicola |
Galls with nematode Subanguina radicicola on lyme grass taken on the beach. |
| 5383284 |
grass root-gall nematode |
Subanguina radicicola |
Nematode Subanguina radicicola live in galls on lyme grass on the beach |
| 5383283 |
grass root-gall nematode |
Subanguina radicicola |
Galls with nematode Subanguina radicicola on root of turfgrass. |
| 5383282 |
grass root-gall nematode |
Subanguina radicicola |
Gall with many nematodes and eggs of Subanguina radicicola on turfgrass. |
| 5383281 |
grass root-gall nematode |
Subanguina radicicola |
Gall with many nematodes and eggs of Subanguina radicicola on turfgrass. |
| 5383279 |
grass root-gall nematode |
Subanguina radicicola |
Gall with many nematodes of Subanguina radicicola on turfgrass |
| 5383280 |
grass root-gall nematode |
Subanguina radicicola |
Gall with many nematodes of Subanguina radicicola on turfgrass. |
| 5383277 |
grass root-gall nematode |
Subanguina radicicola |
Damage on grassroots from a sport field (football stadium). Symptoms are galls with Subanguina radicicola. |
| 5383276 |
grass root-gall nematode |
Subanguina radicicola |
Inside gall are many nematodes and eggs of Subanguina radicicola. |
| 5383275 |
grass root-gall nematode |
Subanguina radicicola |
Damage on grassroots from a sport field (football stadium). Symptoms are galls with Subanguina radicicola. |
| 5383274 |
grass root-gall nematode |
Subanguina radicicola |
Damage on grassroots from a sport field (football stadium). Symptoms are galls with Subanguina radicicola. |
| 5383273 |
grass root-gall nematode |
Subanguina radicicola |
Damage on grassroots from a sport field (football stadium). Symptoms are galls with Subanguina radicicola. |
| 5383270 |
grass root-gall nematode |
Subanguina radicicola |
Damage on grassroots from a sport field (football stadium). Symptoms are galls with Subanguina radicicola. |
| 5383271 |
grass root-gall nematode |
Subanguina radicicola |
Damage on grassroots from a sport field (football stadium). Symptoms are galls with Subanguina radicicola. |
| 5377420 |
grass root-gall nematode |
Subanguina radicicola |
Damage on grassroots from a sport field (football stadium). Symptoms are galls with Subanguina radicicola. |
| 5377419 |
grass root-gall nematode |
Subanguina radicicola |
|
| 5337031 |
lesion nematode |
Pratylenchus spp. |
|
| 5337029 |
lesion nematode |
Pratylenchus spp. |
|
| 1525700 |
strawberry crimp nematode |
Aphelenchoides fragariae |
|
| 5335007 |
pine wilt nematode |
Bursaphelenchus xylophilus |
|
| 5338055 |
soybean cyst nematode |
Heterodera glycines |
microscopic view of stained adult female with eggs |
| 5336045 |
foliar nematodes |
Aphelenchoides spp. |
|
| 5336046 |
foliar nematodes |
Aphelenchoides spp. |
|
| 5336053 |
foliar nematodes |
Aphelenchoides spp. |
|
| 5336054 |
foliar nematodes |
Aphelenchoides spp. |
|
| 5336075 |
foliar nematodes |
Aphelenchoides spp. |
|
| 5336077 |
foliar nematodes |
Aphelenchoides spp. |
|
| 5336078 |
foliar nematodes |
Aphelenchoides spp. |
|
| 5337001 |
stem and bulb nematode |
Ditylenchus dipsaci |
|
| 5337022 |
foliar nematodes |
Aphelenchoides spp. |
azalea |
| 5337023 |
foliar nematodes |
Aphelenchoides spp. |
azalea |
| 5337030 |
lesion nematode |
Pratylenchus spp. |
|
| 5337049 |
root-knot nematode |
Meloidogyne spp. |
|
| 1525316 |
foliar nematodes |
Aphelenchoides spp. |
|
| 1525317 |
foliar nematodes |
Aphelenchoides spp. |
Foliar nematode on Hosta |
| 1525318 |
foliar nematodes |
Aphelenchoides spp. |
Foliar nematode on Hosta |
| 1525319 |
foliar nematodes |
Aphelenchoides spp. |
Foliar nematode on Hosta |
| 1525320 |
foliar nematodes |
Aphelenchoides spp. |
Foliar nematode on Hosta |
| 1525321 |
foliar nematodes |
Aphelenchoides spp. |
Foliar nematode on Hosta |
| 1525322 |
foliar nematodes |
Aphelenchoides spp. |
Foliar nematode on Hosta |
| 1525323 |
foliar nematodes |
Aphelenchoides spp. |
Foliar nematode on Hosta |
| 1525324 |
foliar nematodes |
Aphelenchoides spp. |
Foliar nematode on Hosta |
| 1525325 |
foliar nematodes |
Aphelenchoides spp. |
Foliar nematode on Hosta |
| 1525326 |
foliar nematodes |
Aphelenchoides spp. |
Foliar nematode on Hosta |
| 1525328 |
foliar nematodes |
Aphelenchoides spp. |
Foliar nematode on Hosta |
| 1525329 |
foliar nematodes |
Aphelenchoides spp. |
Foliar nematode on Hosta |
| 5190093 |
root-knot nematode |
Meloidogyne ardenensis |
Hedge Cotoneaster with Meloidogyne ardenensis in roots; More & Romsdal county in northwest Norway.
|
| 5383192 |
foliar nematodes |
Aphelenchoides spp. |
Angular leaf spots on cultivar 'Snow Angel' |
| 5383193 |
foliar nematodes |
Aphelenchoides spp. |
Angular leaf spots on cultivar 'Snow Angel' |
| 5383194 |
foliar nematodes |
Aphelenchoides spp. |
Angular leaf spots on cultivar 'Snow Angel' |
| 5383195 |
foliar nematodes |
Aphelenchoides spp. |
Angular leaf spots on cultivar 'Snow Angel' |
| 5345085 |
Heterodera nematode |
Heterodera filipjevi |
on Danko variety |
| 5332053 |
soybean cyst nematode |
Heterodera glycines |
|
| 5332052 |
root-knot nematode |
Meloidogyne spp. |
|
| 5333052 |
root-knot nematode |
Meloidogyne spp. |
|
| 5331070 |
root-knot nematode |
Meloidogyne spp. |
|
| 0660056 |
soybean cyst nematode |
Heterodera glycines |
Cyst of Heterodera glycines containing eggs. |
| 0660057 |
soybean cyst nematode |
Heterodera glycines |
Vulval cone of a female Heterodera glycines showing vulval lips. |
| 0660050 |
pine wilt nematode |
Bursaphelenchus xylophilus |
Bursaphelenchus xylophilus in an axial resin canal of Pinus densiflora. Black and whitte image |
| 0660015 |
burrowing nematode |
Radopholus similis |
Light micrograph of a longitudinal section through a citrus root (cortex) showing multiple invasion by the burrowing nematode, Radopholus similis. Black and white image |
| 0660012 |
white potato cyst nematode |
Globodera pallida |
Cysts of Globodera pallida. |
| 0660013 |
yellow potato cyst nematode |
Globodera rostochiensis |
Cysts of Globodera rostochiensis. |
| 0660010 |
potato rot nematode |
Ditylenchus destructor |
External symptoms caused by Ditylenchus destructor on potato tubers, showing sunken areas with cracked and wrinkled skin |
| 0660008 |
rice white tip nematode |
Aphelenchoides besseyi |
Symptoms of Aphelenchoides besseyi on rice, showing distortion of flag leaves. Black and white image |
| 0660011 |
potato rot nematode |
Ditylenchus destructor |
Internal symptoms of potato tuber infested with Ditylenchus destructor. Black and white image |
| 0660009 |
rice white tip nematode |
Aphelenchoides besseyi |
Aphelenchoides besseyi infection of strawberry, showing leaf crinkling and distortion. Black and white image |
| 1524089 |
stunt nematode |
Tylenchorhynchus spp. |
Stunting of corn seedling. |
| 5356819 |
stem and bulb nematode |
Ditylenchus dipsaci |
White "flagging" of the plant at top center shows typical sign of damage to plants in an alfalfa field caused by the stem nematode, Ditylenchus dipsaci. |
| 5345086 |
Heterodera nematode |
Heterodera filipjevi |
Juvenile hatching from cyst
|
| 5345095 |
white potato cyst nematode |
Globodera pallida |
cysts on roots of potato |
| 5369177 |
strawberry crimp nematode |
Aphelenchoides fragariae |
Foliar nematode Aphelenchoides fragariae damage on Saintpaulia. |
| 5369178 |
strawberry crimp nematode |
Aphelenchoides fragariae |
Foliar nematode Aphelenchoides fragariae damage on Streptocarpus. |
| 5357122 |
rice white tip nematode |
Aphelenchoides besseyi |
Rice plants showing symptoms of damage caused by summer crimp nematode (Aphelenchoides besseyi). |
| 5357228 |
stem and bulb nematode |
Ditylenchus dipsaci |
Alfalfa plant showing damage due to infestation with the stem and bulb nematode, Ditylenchus dipsaci. |
| 5357227 |
stem and bulb nematode |
Ditylenchus dipsaci |
Alfalfa plants showing damage due to infestation with the stem and bulb nematode, Ditylenchus dipsaci. |
| 5357099 |
stem and bulb nematode |
Ditylenchus dipsaci |
Conducting a survey for damage to alfalfa caused by the stem and bulb nematode, Ditylenchus dipsaci. |
| 5356953 |
stem and bulb nematode |
Ditylenchus dipsaci |
Damage to an alfalfa field caused by the stem and bulb nematode, Ditylenchus dipsaci. |
| 5356846 |
root-knot nematode |
Meloidogyne spp. |
Potatoes showing damage caused by root knot nematodes (Meloidogyne sp.). |
| 5357534 |
root-knot nematode |
Meloidogyne spp. |
Galls on a bean root infested with the root knot nematode Meloidogyne spp. in the field. |
| 1525014 |
foliar nematodes |
Aphelenchoides spp. |
|
| 1525015 |
foliar nematodes |
Aphelenchoides spp. |
healthy plant at right
|
| 1525016 |
foliar nematodes |
Aphelenchoides spp. |
|
| 1525017 |
foliar nematodes |
Aphelenchoides spp. |
|
| 1524088 |
sting nematode |
Belonolaimus spp. |
Corn sting Nematode |
| 5361507 |
stem and bulb nematode |
Ditylenchus dipsaci |
Onion transplants showing stem and bulb damage caused by the stem and bulb nematode, Ditylenchus dipsaci. |
| 5190091 |
root-knot nematode |
Meloidogyne ardenensis |
Gall on root. Plant from an old grassland near Kristiansund in northwest Norway. |
| 5190092 |
root-knot nematode |
Meloidogyne ardenensis |
Juveniles picked from a root gall. Plant from an old grassland near Kristiansund in northwest Norway. |
| 5190094 |
root-knot nematode |
Meloidogyne ardenensis |
Female of Meliodogyne ardenensis in root of Hedge Cotoneaster; More & Romsdal county in northwest Norway.
|
| 5190095 |
root-knot nematode |
Meloidogyne ardenensis |
Hedge Cotoneaster with Meloidogyne ardenensis in roots; More & Romsdal county in northwest Norway
|
| 5345096 |
white potato cyst nematode |
Globodera pallida |
Female of Globodera pallida on potato tuber. Host is Solanum tuberosum L. cv. ‘Laila’ |
| 1492231 |
root-knot nematode |
Meloidogyne spp. |
Root knot |
| 1492232 |
root-knot nematode |
Meloidogyne spp. |
Root knot- peach |
| 1492238 |
root-knot nematode |
Meloidogyne spp. |
Root- knot |
| 1492240 |
root-knot nematode |
Meloidogyne spp. |
root-knot peach |
| 1493005 |
wheat seed-gall nematode |
Anguina tritici |
nematode on wheat seedling |
| 1406278 |
pine wilt nematode |
Bursaphelenchus xylophilus |
Austrian pine is brown, red pine is green |
| 1356047 |
yellow potato cyst nematode |
Globodera rostochiensis |
Golden stage of infection on potato root in black soil sample from Switzerland. |
| 1356003 |
wheat seed-gall nematode |
Anguina tritici |
Heads of wheat infected versus normal heads of wheat. |
| 2131077 |
white potato cyst nematode |
Globodera pallida |
Females of wPCN Globodera pallida on root. You can also see a brown cyste (dead female) on root |
| 5176038 |
foliar nematode |
Subanguina chilensis |
Foliar damage attributed to nematode infestation, VIII Region, Chile |
| 5176039 |
foliar nematode |
Subanguina chilensis |
Foliar damage attributed to nematode infestation, VIII Region, Chile |
| 5026047 |
foliar nematodes |
Aphelenchoides spp. |
|
| 5026048 |
foliar nematodes |
Aphelenchoides spp. |
|
| 5026053 |
foliar nematodes |
Aphelenchoides spp. |
|
| 5026054 |
foliar nematodes |
Aphelenchoides spp. |
|
| 1316020 |
entomopathogenic nematode |
Heterorhabditis bacteriophora |
Left to right: A live, noninfected wax moth larva, a wax moth larva infected by Heterorhabditis bacteriophora nematodes, and an infected cadaver coated with a patented mix of starch and clay. |
| 1316021 |
entomopathogenic nematode |
Heterorhabditis bacteriophora |
Inside one of these plump wax moth cadavers are thousands of wiggly nematodes, ready to serve as biocontrols against soil-dwelling crop pests. The cadavers can be placed in orchard or greenhouse soil, and the nematodes will emerge to protect crops from pests such as citrus root and black vine weevils |
| 1318006 |
root-knot nematode |
Meloidogyne spp. |
Closeup of a sugar beet with severe galling from root-knot nematodes. |
| 1323037 |
root-knot nematode |
Meloidogyne incognita |
Susceptible pepper plant roots with extensive galling [thickened, lumpy portions] are heavily infested by the southern root-knot nematode. |
| 5077075 |
root-knot nematode |
Meloidogyne incognita |
Galls or nodules associated with the root system caused by root-knot nematodes. May be small or large. |
| 5026046 |
foliar nematode |
Aphelenchoides ritzemabosi |
|
| 4387001 |
pine wilt nematode |
Bursaphelenchus xylophilus |
The primary impact of the pinewood nematode in North America is on trade to European Union(EU) and other countries. Slide shows pine chips being off loaded in Sweden. This was the last shipment of pine chips from North America to the EU. |
| 1470130 |
pine wilt nematode |
Bursaphelenchus xylophilus |
vulva flap of female nematode |
| 1470131 |
pine wilt nematode |
Bursaphelenchus xylophilus |
spicule of male nematode |
| 1470132 |
pine wilt nematode |
Bursaphelenchus xylophilus |
pine stump; blue stain fungus also present |
| 1470133 |
pine wilt nematode |
Bursaphelenchus xylophilus |
dead tree |
| 1356080 |
yellow potato cyst nematode |
Globodera rostochiensis |
Potato field infected with yPCN Globodera rostochiensis. |
| 2131015 |
pine wilt nematode |
Bursaphelenchus xylophilus |
The head of a female |
| 2131025 |
pine wilt nematode |
Bursaphelenchus xylophilus |
The tail of a female |
| 2131026 |
pine wilt nematode |
Bursaphelenchus xylophilus |
The head of a male |
| 2131020 |
pine wilt nematode |
Bursaphelenchus xylophilus |
The regeneration of young masson pine forest in epidemic regions of PWN. |
| 2131022 |
pine wilt nematode |
Bursaphelenchus xylophilus |
Ilex purpurea growed from the pine stump caused by PWN |
| 2131023 |
pine wilt nematode |
Bursaphelenchus xylophilus |
Bamboo growing around a dead stump of masson pine killed by PWN. |
| 2131024 |
pine wilt nematode |
Bursaphelenchus xylophilus |
Bamboo growing from dead stump, killed by PWN |
| 1406276 |
pine wilt nematode |
Bursaphelenchus xylophilus |
|
| 1194100 |
root-knot nematode |
Meloidogyne incognita |
roots of cantaloupe with and without control |
| 1194031 |
tobacco cyst nematode |
Globodera solanacearum |
and larvae |
| 1194014 |
sugar beet cyst nematode |
Heterodera schachtii |
cabbage response to chemical control |
| 0162061 |
stem and bulb nematode |
Ditylenchus dipsaci |
Nematodes within Narcissus bulb. |
| 0162066 |
stem and bulb nematode |
Ditylenchus dipsaci |
|
| 0162057 |
potato rot nematode |
Ditylenchus destructor |
Damage to Iris bulbs. |
| 0162058 |
potato rot nematode |
Ditylenchus destructor |
Internal damage to potato tuber. |
| 0177005 |
soybean cyst nematode |
Heterodera glycines |
Head of a juvenile Heterodera glycines. |
| 0177006 |
soybean cyst nematode |
Heterodera glycines |
Juvenile tail of Heterodera glycines,with hyaline terminus. |
| 0177014 |
soybean cyst nematode |
Heterodera glycines |
Young white female. |
| 0177015 |
soybean cyst nematode |
Heterodera glycines |
Young female with protruding stylet. |
| 0177016 |
soybean cyst nematode |
Heterodera glycines |
Male head. |
| 0177017 |
soybean cyst nematode |
Heterodera glycines |
Vulval cone showing vulval lips. |
| 0177018 |
soybean cyst nematode |
Heterodera glycines |
Cone top, lateral view exterior. |
| 0177019 |
soybean cyst nematode |
Heterodera glycines |
Vulval cone showing internal bullae and vagina. |
| 0177020 |
soybean cyst nematode |
Heterodera glycines |
Cyst wall with typical zig-zag pattern. |
| 0177021 |
soybean cyst nematode |
Heterodera glycines |
Juvenile (L2) in egg. |
| 0162049 |
rice white tip nematode |
Aphelenchoides besseyi |
|
| 0162050 |
rice white tip nematode |
Aphelenchoides besseyi |
|
| 0162051 |
rice white tip nematode |
Aphelenchoides besseyi |
|
| 0162052 |
rice white tip nematode |
Aphelenchoides besseyi |
|
| 1356054 |
yellow potato cyst nematode |
Globodera rostochiensis |
Potato field infested with potato cyst nematode on right; on left, healthy rows. |
| 1356057 |
yellow potato cyst nematode |
Globodera rostochiensis |
Crushed cysts: released eggs and 2nd stage juveniles. |
| 1356058 |
yellow potato cyst nematode |
Globodera rostochiensis |
White female potato cyst nematodes on the stolon of a potato. |
| 1356056 |
yellow potato cyst nematode |
Globodera rostochiensis |
Cysts from potato plants. |
| 1356048 |
yellow potato cyst nematode |
Globodera rostochiensis |
Potato roots infected in Behringer test chamber. |
| 1356049 |
yellow potato cyst nematode |
Globodera rostochiensis |
Potato field in a mountain village in Switzerland infested with the potato cyst nematode. |
| 1356050 |
yellow potato cyst nematode |
Globodera rostochiensis |
Potato field in a mountain village in Switzerland infested with the potato cyst nematode. |
| 1356051 |
yellow potato cyst nematode |
Globodera rostochiensis |
Healthy rows (right) and infested rows (left) where potatoes grew previosly infected with the potato cyst nematode. |
| 1356041 |
yellow potato cyst nematode |
Globodera rostochiensis |
Cysts on tubers. |
| 1356042 |
yellow potato cyst nematode |
Globodera rostochiensis |
Infected potatoes flower later than uninfected plants (top). |
| 1356043 |
yellow potato cyst nematode |
Globodera rostochiensis |
Infected potatoes flower later than uninfected plants (top). |
| 1356070 |
burrowing nematode |
Radopholus similis |
Cross-section of citrus root showing typical burrowing in roots. |
| 1356074 |
burrowing nematode |
Radopholus similis |
Cross-section of orange showing burrowing nematode in xylem tissue. |
| 1356075 |
burrowing nematode |
Radopholus similis |
Longitudinal section of orange showing burrowing nematode in xylem tissue. |
| 1356076 |
burrowing nematode |
Radopholus similis |
Longitudinal section of grapefruit root showing burrowing nematode. |
| 1356077 |
burrowing nematode |
Radopholus similis |
Cross-section of rough lemon showing burrowing nematode damage. |
| 1356078 |
burrowing nematode |
Radopholus similis |
Cross-section of rough lemon showing burrowing nematode damage. |
| 1356064 |
carrot cyst nematode |
Heterodera carotae |
Parasitized fine roots of carrot. |
| 1356065 |
carrot cyst nematode |
Heterodera carotae |
White females on the main root. |
| 1356066 |
carrot cyst nematode |
Heterodera carotae |
Carrots infected with the carrot cyst nematode (left); and healthy, marketable carrots (right). |
| 1356067 |
carrot cyst nematode |
Heterodera carotae |
Light micrograph of the anterior end of a second-stage juvenile. |
| 1356093 |
burrowing nematode |
Radopholus similis |
Roots of banana showing pink and brown necrotic lesions. |
| 1356113 |
burrowing nematode |
Radopholus similis |
Damage to banana resulting from use of infected rootstock. |
| 1356061 |
yellow potato cyst nematode |
Globodera rostochiensis |
The vulva of female |
| 1356062 |
yellow potato cyst nematode |
Globodera rostochiensis |
Variable sizes and shapes of cysts. |
| 1356148 |
yellow potato cyst nematode |
Globodera rostochiensis |
In monoxenic culture. |
| 1356149 |
yellow potato cyst nematode |
Globodera rostochiensis |
Female |
| 1356117 |
burrowing nematode |
Radopholus similis |
uprooting of banana resulting from roots destroyed by Radopholus similis |
| 1356145 |
yellow potato cyst nematode |
Globodera rostochiensis |
closeup of an egg isolated from a cyst, showing the esophageal dorsal gland still lacks of secretory granules before hatching |
| 1356140 |
yellow potato cyst nematode |
Globodera rostochiensis |
cyst with its anterior end within the root at the elongated syncytium |
| 1356141 |
yellow potato cyst nematode |
Globodera rostochiensis |
Second-stage juveniles and eggs |
| 1356142 |
yellow potato cyst nematode |
Globodera rostochiensis |
eggs from dried cysts, 20 min after placement into water |
| 1356143 |
yellow potato cyst nematode |
Globodera rostochiensis |
eggs from dried cysts, 5 min after placement into water |
| 1356153 |
wheat seed-gall nematode |
Anguina tritici |
wheat seeds infected (right) and healthy (left). |
| 1356129 |
yellow potato cyst nematode |
Globodera rostochiensis |
Light micrograph of the terminal area showing the vulva and anus. |
| 1356130 |
yellow potato cyst nematode |
Globodera rostochiensis |
A crushed cyst with numerous eggs. |
| 1356131 |
yellow potato cyst nematode |
Globodera rostochiensis |
Video enhanced contrast micrograph of a second-stage juvenile hatching from an egg. |
| 1356132 |
yellow potato cyst nematode |
Globodera rostochiensis |
|
| 1356133 |
yellow potato cyst nematode |
Globodera rostochiensis |
Monoxenic culture. |
| 1356134 |
yellow potato cyst nematode |
Globodera rostochiensis |
Mature cysts on the roots of potato. |
| 1356135 |
yellow potato cyst nematode |
Globodera rostochiensis |
In sterile culture |
| 1356137 |
yellow potato cyst nematode |
Globodera rostochiensis |
Closeup of a root-system shows round cysts |
| 1356102 |
burrowing nematode |
Radopholus similis |
On banana "corm" |
| 1356103 |
burrowing nematode |
Radopholus similis |
section of ginger infected with Rhadopholus similis |
| 1356104 |
burrowing nematode |
Radopholus similis |
section of ginger infected with Rhadopholus similis |
| 1356105 |
burrowing nematode |
Radopholus similis |
On ginger |
| 1356106 |
burrowing nematode |
Radopholus similis |
On ginger |
| 1356107 |
Mexican corn cyst nematode |
Punctodera chalcoensis |
Typical location in Mexico |
| 1356108 |
Mexican corn cyst nematode |
Punctodera chalcoensis |
light micrograph of the terminal area of the Mexican cyst nematode |
| 1356109 |
Mexican corn cyst nematode |
Punctodera chalcoensis |
In Mexico |
| 1356111 |
Mexican corn cyst nematode |
Punctodera chalcoensis |
In Mexico |
| 1356112 |
Mexican corn cyst nematode |
Punctodera chalcoensis |
In Mexico |
| 1356115 |
wheat seed-gall nematode |
Anguina tritici |
Infected galls compared with noninfected wheat seeds. |
| 1356084 |
burrowing nematode |
Radopholus similis |
burrowing nematode on plantain |
| 1356085 |
burrowing nematode |
Radopholus similis |
burrowing nematode on Anthurium (left) compared to non-infected root system (right). |
| 1356087 |
coffee root-knot nematode |
Meloidogyne arabicida |
root-knot nematode on coffee |
| 1356088 |
coffee root-knot nematode |
Meloidogyne arabicida |
face view of a male as seen with the scanning electron microscope. |
| 1356089 |
coffee root-knot nematode |
Meloidogyne exigua |
root-knot nematode on coffee root system |
| 1356096 |
seed-gall nematode |
Anguina funesta |
anhydrobiotic Anguina funesta as seen by scanning electron microscopy |
| 1356097 |
seed-gall nematode |
Anguina funesta |
Seed galls on rye grass |
| 1356098 |
wheat seed-gall nematode |
Anguina tritici |
wheat seed gall broken open to reveal thousands of infective juveniles |
| 1356099 |
wheat seed-gall nematode |
Anguina tritici |
Anguina tritici seed galls (left) compared to healthy wheat seeds (right) |
| 1356100 |
wheat seed-gall nematode |
Anguina tritici |
Infected wheat seed, head and leaf |
| 1356091 |
burrowing nematode |
Radopholus similis |
posterior end of a male. |
| 1356092 |
burrowing nematode |
Radopholus similis |
anterior end of a female as seen with differential interference contrast microscopy |
| 1356118 |
burrowing nematode |
Radopholus similis |
Lesions on banana roots |
| 1356094 |
wheat seed-gall nematode |
Anguina tritici |
Juveniles in an anhydrobiotic state as seen in differential interference contrast microscopy |
| 1356124 |
barley root-knot nematode |
Meloidogyne naasi |
Light micrograph of the chromosomes. |
| 1356125 |
barley root-knot nematode |
Meloidogyne naasi |
Light micrograph of the chromosomes. |
| 1356126 |
coffee root-knot nematode |
Meloidogyne exigua |
Light micrograph of the chromosomes. |
| 1356072 |
burrowing nematode |
Radopholus similis |
Advanced symptoms of spreading decline. |
| 1356073 |
burrowing nematode |
Radopholus similis |
Advanced symptoms of spreading decline of grapefruit (40 yr. old). |
| 1356121 |
coffee root-knot nematode |
Meloidogyne exigua |
Light micrograph of the chromosomes. |
| 1356032 |
coffee root-knot nematode |
Meloidogyne exigua |
comparison of coffee trees not infected with those that are infected |
| 1356015 |
barley root-knot nematode |
Meloidogyne naasi |
On the roots of red table beet. |
| 1356034 |
coffee root-knot nematode |
Meloidogyne exigua |
light micrograph of a female, egg sac, and gelatinous matrix |
| 1356035 |
root-knot nematode |
Meloidogyne brevicauda |
light and scanning electron micrographs of the anterior and posterior ends of a male |
| 1356036 |
root-knot nematode |
Meloidogyne brevicauda |
scanning electron micrograph of the anterior end of a second-stage juvenile |
| 1356037 |
coffee root-knot nematode |
Meloidogyne exigua |
scanning electron micrograph of excised stylets of males of the root-knot nematodes, Meloidogyne arenaria, M. carolinensis, M. exigua, M. graminicola, and M. hapla |
| 1356038 |
yellow potato cyst nematode |
Globodera rostochiensis |
Light micrograph of two unhatched juveniles |
| 1356039 |
yellow potato cyst nematode |
Globodera rostochiensis |
Cysts |
| 1356040 |
yellow potato cyst nematode |
Globodera rostochiensis |
Cysts on tubers. |
| 1356012 |
wheat seed-gall nematode |
Anguina tritici |
brightfield light micrograph of a female as seen under low power magnification |
| 1356013 |
barley root-knot nematode |
Meloidogyne naasi |
On the roots of red table beet. |
| 1356008 |
wheat seed-gall nematode |
Anguina tritici |
wheat infected (right) compared to noninfected wheat (left) |
| 1356009 |
wheat seed-gall nematode |
Anguina tritici |
seed gall on wheat caused by infection, teased apart to reveal adult males and females and thousands of eggs |
| 1356010 |
wheat seed-gall nematode |
Anguina tritici |
brightfield light micrograph of a female as seen under low power magnification |
| 1356019 |
corn cyst nematode |
Heterodera zeae |
Whole specimens of the corn cyst nematode |
| 1356021 |
corn cyst nematode |
Heterodera zeae |
internal surface of the vulval cone as seen with scanning electron microscopy |
| 1356022 |
corn cyst nematode |
Heterodera zeae |
external surface of the vulval cone of as seen with scanning electron microscopy |
| 1356023 |
corn cyst nematode |
Heterodera zeae |
vulval cone as seen with brightfield microscopy |
| 1356025 |
coffee root-knot nematode |
Meloidogyne paranaensis |
Scanning electron micrograph of the anterior ends of two male root-knot nematodes from Brazil. |
| 1356026 |
corn cyst nematode |
Heterodera zeae |
field that was the site for the first find of the corn cyst nematode in Virginia |
| 1356028 |
corn cyst nematode |
Heterodera zeae |
cysts |
| 1356030 |
coffee root-knot nematode |
Meloidogyne exigua |
whole female with attached egg sac and gelatinous matrix |
| 1356004 |
false root-knot nematode |
Nacobbus aberrans |
Potato root galls |
| 1356002 |
wheat seed-gall nematode |
Anguina tritici |
Infected wheat seeds versus smut. |
| 1234236 |
root-knot nematode |
Meloidogyne spp. |
advanced damage |
| 1234122 |
sting nematode |
Belonolaimus spp. |
to sorghum root |
| 3948025 |
pine wilt nematode |
Bursaphelenchus xylophilus |
Tree mortality caused by pinewood nematode |
| 1442034 |
pine wilt nematode |
Bursaphelenchus xylophilus |
Close-up of pine wilt; 1 year after death of tree |
| 1442035 |
pine wilt nematode |
Bursaphelenchus xylophilus |
Stump of Australian Pine infected; showing bark stain fungus. |
| 0026015 |
stem-gall nematode |
Subanguina picridis |
research site |
| 0001057 |
raccoon filarial worms |
|
in human eye |
| 4824088 |
root-knot nematode |
Meloidogyne incognita |
Galls on roots of parasitized seedling. |
| 4387002 |
pine wilt nematode |
Bursaphelenchus xylophilus |
In Japan and other Asian countries, the nematode causes pine wilt. The slide shows a dying pine in Japan. |
| 4387003 |
pine wilt nematode |
Bursaphelenchus xylophilus |
Showing head under microscope |
| 4387004 |
pine wilt nematode |
Bursaphelenchus xylophilus |
Gravid female |
| 4387005 |
pine wilt nematode |
Bursaphelenchus xylophilus |
Tale of male showing characteristic spicule. |
| 4387006 |
pine wilt nematode |
Bursaphelenchus xylophilus |
The nematode is vectored by species of Monochamus (a.k.a. sawyers or longhorned beetles). |
| 4387007 |
pine wilt nematode |
Bursaphelenchus xylophilus |
The dauerlarvae (transmission stage) of the nematode invade the callow adult through the thoracic spiracles and are held in quiescent state only in the tracheae. |
| 4387008 |
pine wilt nematode |
Bursaphelenchus xylophilus |
The nematode may be transmitted to a susceptible host when the adult feed on pine shoots. This is termed "primary transmission" and may result in pine wilt. |
| 4387009 |
pine wilt nematode |
Bursaphelenchus xylophilus |
The most common mode of transmission of the nematode, however, is when the adult female sawyer ovipositions in recently felled logs and dead or dying conifers, particularly pines. This is secondary transmission and the nematode is a secondary associate. Slide shows oviposition pits made in bark by sawyer. |
| 4387010 |
pine wilt nematode |
Bursaphelenchus xylophilus |
As a secondary associate, the nematode is mycophagous and feeds on the fungi in the wood, including bluestain fungi transmitted by engraver and other bark beetles. |
| 0022043 |
stem-gall nematode |
Subanguina picridis |
(light microscope photo), biocontrol agent of Russian Knapweed |
| 0022040 |
stem-gall nematode |
Subanguina picridis |
(electron microscope photo), biocontrol agent of Russian Knapweed |
| 0022042 |
stem-gall nematode |
Subanguina picridis |
galls |
