| blue spruce engraver |
Ips hunteri |
6 |
| 2,4-D |
|
9 |
| abiotic stresses (general) |
|
3 |
| acorn and nut weevils |
Curculio spp. |
3 |
| acorn-plum gall |
Amphibolips quercusjuglans |
1 |
| African mustard |
Brassica tournefortii |
2 |
| air pollutants |
|
19 |
| alfalfa blotch leafminer |
Agromyza frontella |
2 |
| alfalfa weevil |
Hypera postica |
7 |
| allelopathy |
|
1 |
| ambrosia beetle |
Myoplatypus flavicornis |
1 |
| American beaver |
Castor canadensis |
24 |
| American dwarf mistletoe |
Arceuthobium americanum |
6 |
| annosum root disease |
Heterobasidion annosum |
1 |
| annual cicada |
Tibicen pruinosa |
3 |
| anthracnose |
Apiognomonia spp. |
3 |
| anthracnose |
Colletotrichum spp. |
1 |
| aphid |
Tetraneura spp. |
3 |
| aphids |
|
2 |
| apple flea beetle |
Altica foliaceae |
2 |
| apple maggot |
Rhagoletis pomonella |
2 |
| arborvitae leafminer |
Argyresthia thuiella |
2 |
| arid land subterranean termite |
Reticulitermes tibialis |
3 |
| Armillaria root rot |
Armillaria tabescens |
1 |
| Armillaria root rots |
Armillaria spp. |
3 |
| army cutworm |
Euxoa auxiliaris |
3 |
| armyworm |
Mythimna unipuncta |
1 |
| armyworm |
Pseudaletia unipuncta |
1 |
| ash bead gall mite |
Aceria fraxini |
2 |
| ash borer |
Podosesia syringae |
6 |
| ash flower gall mite |
Eriophyes fraxiniflora |
7 |
| ash midribgall midge |
Contarinia canadensis |
3 |
| ash plant bug |
Tropidosteptes amoenus |
4 |
| Asian chestnut gall wasp |
Dryocosmus kuriphilus |
8 |
| Asian citrus psyllid |
Diaphorina citri |
2 |
| Asian longhorned beetle |
Anoplophora glabripennis |
26 |
| asimina webworm moth |
Omphalocera munroei |
2 |
| asparagus aphid |
Brachycorynella asparagi |
3 |
| aspen blotchminer |
Phyllonorycter apparella |
10 |
| aspen decline |
|
1 |
| aspen leafminer |
Phyllocnistis populiella |
7 |
| aspen/poplar |
Populus spp. |
1 |
| atrazine |
|
6 |
| avalanches |
|
4 |
| avocado thrips |
Scirtothrips perseae |
1 |
| azalea caterpillar |
Datana major |
1 |
| azalea lace bug |
Stephanitis pyrioides |
4 |
| bacteria wilt and soft rot |
Dickeya chrysanthemi |
1 |
| bacterial brown spot of bean/canker of stone fruit, twig blight |
Pseudomonas syringae pv. syringae |
1 |
| bacterial necrosis of giant cactus |
Erwinia carnegieana |
2 |
| bacterial soft rot |
Pectobacterium carotovorum ssp. carotovorum |
2 |
| bagworm |
Thyridopteryx ephemeraeformis |
2 |
| bagworms |
|
3 |
| baldcypress leafroller |
Archips goyerana |
1 |
| baldcypress webworm |
Coleotechnites apicitripunctella |
1 |
| balsam gall midge |
Paradiplosis tumifex |
1 |
| balsam shootboring sawfly |
Pleroneura brunneicornis |
1 |
| balsam twig aphid |
Mindarus abietinus |
8 |
| balsam woolly adelgid |
Adelges piceae |
36 |
| banana moth |
Opogona sacchari |
2 |
| banded elm bark beetle |
Scolytus schevyrewi |
1 |
| bandedwinged whitefly |
Trialeurodes abutiloneus |
1 |
| Banks grass mite |
Oligonychus pratensis |
2 |
| bark and ambrosia beetles |
Dendroctonus spp. |
3 |
| bark beetle |
Pityophthorus aquilus |
1 |
| bark beetles |
|
21 |
| bark beetles |
Pseudohylesinus spp. |
1 |
| basal wound |
|
18 |
| basswood leafminer |
Baliosus nervosa |
4 |
| basswood leafroller |
Pantographa limata |
1 |
| basswood thrips |
Neohydatothrips tiliae |
4 |
| bean leaf beetle |
Cerotoma trifurcata |
12 |
| bear |
Ursus spp. |
5 |
| beech bark beetle |
Taphrorychus bicolor |
9 |
| beech leaftier |
Psilocorsis cryptolechiella |
1 |
| beech scale |
Cryptococcus fagisuga |
4 |
| beet armyworm |
Spodoptera exigua |
5 |
| Beet Necrotic Yellow Vein Virus |
Benyvirus BNYVV |
1 |
| benefin |
|
2 |
| bindweed gall mite |
Aceria malherbae |
10 |
| birch leaffolder |
Ancylis discigerana |
2 |
| birch leafminer |
Fenusa pusilla |
18 |
| birch leafroller |
Epinotia solandriana |
1 |
| birch skeletonizer |
Bucculatrix canadensisella |
1 |
| black cutworm |
Agrotis ipsilon |
1 |
| black dot spurge flea beetle |
Aphthona nigriscutis |
1 |
| black grass bug |
Irbisia spp. |
1 |
| black grass bug |
Labops hesperius |
1 |
| black pecan aphid |
Melanocallis caryaefoliae |
3 |
| black pineleaf scale |
Dynaspidiotus californica |
1 |
| black turpentine beetle |
Dendroctonus terebrans |
15 |
| black twig borer |
Xylosandrus compactus |
3 |
| black vine weevil |
Otiorhynchus sulcatus |
4 |
| black-margined loosestrife beetle |
Galerucella calmariensis |
7 |
| blackheaded pine sawfly |
Neodiprion excitans |
2 |
| blister coneworm |
Dioryctria clarioralis |
1 |
| blue cactus borer |
Melitara dentata |
2 |
| blueberry bud mite |
Acalitus vaccinii |
6 |
| bluegrass billbug |
Sphenophorus parvulus |
4 |
| boll weevil |
Anthonomus grandis grandis |
3 |
| boll weevil |
Anthonomus grandis |
1 |
| bollworm |
Helicoverpa zea |
20 |
| boron deficiency |
|
1 |
| boxelder gall midge |
Contarinia negundinis |
2 |
| Boxelder pouchgall mite |
Eriophyes negundi |
3 |
| boxelder twig borer |
Proteoteras willingana |
1 |
| boxwood leafminer |
Monarthropalpus flavus |
3 |
| boxwood psyllid |
Cacopsylla buxi |
2 |
| boxwood spider mite |
Eurytetranychus buxi |
1 |
| branched broomrape |
Orobanche ramosa |
1 |
| bristly roseslug |
Cladius difformis |
2 |
| broad mite |
Polyphagotarsonemus latus |
8 |
| bromoxynil |
|
3 |
| bronze birch borer |
Agrilus anxius |
10 |
| bronze poplar borer |
Agrilus liragus |
1 |
| broom gall mite |
Aceria genistae |
4 |
| brown hemlock needleminer |
Coleotechnites macleodi |
1 |
| brown recluse spider |
Loxosceles reclusa |
5 |
| brown stink bug |
Euschistus servus |
1 |
| brown-legged spurge flea beetle |
Aphthona lacertosa |
1 |
| brownheaded ash sawfly |
Tomostethus multicinctus |
1 |
| bruce spanworm |
Operophtera bruceata |
1 |
| bud moths |
Zeiraphera spp. |
1 |
| bull thistle gall fly |
Urophora stylata |
1 |
| Burmese python |
Python molurus ssp. bivittatus |
1 |
| burrowing nematode |
Radopholus similis |
6 |
| cabbage looper |
Trichoplusia ni |
1 |
| cabbage white |
Pieris rapae |
7 |
| cactus eriococcin |
Eriococcus coccineus |
1 |
| cactus longhorn beetles |
Moneilema spp. |
1 |
| calcium deficiency |
|
2 |
| California fivespined ips |
Ips paraconfusus |
3 |
| California flatheaded borer |
Phaenops californica |
1 |
| California pear sawfly |
Pristiphora abbreviata |
2 |
| cambium miners |
Phytobia spp. |
1 |
| camellia leaf gall |
Exobasidium camelliae |
2 |
| Canada thistle bud weevil |
Larinus planus |
4 |
| Canada thistle stem gall fly |
Urophora cardui |
5 |
| canker |
|
3 |
| canna |
Canna spp. |
1 |
| carpenter ants |
Camponotus spp. |
4 |
| carpenter bee |
Xylocopa virginica |
3 |
| carpenterworm |
Prionoxystus robiniae |
6 |
| carrot rust fly |
Psila rosae |
1 |
| carrot weevil |
Listronotus oregonensis |
7 |
| catalpa sphinx |
Ceratomia catalpae |
2 |
| cattle |
Bos spp. |
1 |
| cedar bark beetles |
Phloeosinus spp. |
5 |
| cedartree borer |
Semanotus ligneus |
1 |
| Cenangium canker |
Cenangium singulare |
1 |
| centipede grass |
Eremochloa spp. |
1 |
| cereal leaf beetle |
Oulema melanopus |
1 |
| checkered melon beetle |
Paranapiacaba tricincta |
6 |
| chemicals |
|
73 |
| cherry curculio |
Anthonomus consors |
1 |
| cherry scallop shell moth |
Rheumaptera prunivorata |
13 |
| chestnet brown bark beetle |
Pityogenes hopkinsi |
1 |
| chestnut timberworm |
Melittomma sericeum |
2 |
| chilli thrips |
Scirtothrips dorsalis |
1 |
| Chinese chestnut |
Castanea mollissima |
1 |
| chokecherry midge |
Contarinia virginianae |
2 |
| cicadas |
|
4 |
| cinnabar moth |
Tyria jacobaeae |
2 |
| citrus leafminer |
Phyllocnistis citrella |
3 |
| citrus longhorned beetle |
Anoplophora chinensis |
2 |
| citrus mealybug |
Planococcus citri |
1 |
| citrus peelminer |
Marmara salictella |
1 |
| citrus psylla |
Trioza erytreae |
2 |
| citrus rust mite |
Phyllocoptruta oleivora |
1 |
| clearwing borer |
Carmenta mimuli |
3 |
| clearwing moth |
Chamaesphecia crassicornis |
1 |
| clearwing moth |
Melittia oedipus |
1 |
| click beetle |
|
2 |
| click beetles |
Conoderus spp. |
2 |
| climbing spurs |
|
39 |
| clomazone |
|
23 |
| clopyralid |
|
28 |
| clouded plant bug |
Neurocolpus nubilus |
5 |
| clover root curculio |
Sitona hispidulus |
2 |
| coconut leafroller |
Hedylepta blackburni |
2 |
| coconut mite |
Aceria guerreronis |
1 |
| coconut scale |
Aspidiotus destructor |
1 |
| codling moth |
Cydia pomonella |
5 |
| cold injury (low temperature) |
|
74 |
| Colorado potato beetle |
Leptinotarsa decemlineata |
3 |
| Columbian timber beetle |
Corthylus columbianus |
6 |
| columbine leafminer |
Phytomyza aquilegivora |
3 |
| common juniper leafminer |
Coleotechnites gibsonella |
1 |
| common smut |
Ustilago maydis |
3 |
| Compartmentalization Of Decay In Trees (CODIT) |
|
3 |
| cone beetles |
Conophthorus spp. |
1 |
| cone borers |
Eucosma spp. |
1 |
| cone worms |
Dioryctria spp. |
40 |
| conifer sawflies |
Neodiprion spp. |
6 |
| construction |
|
21 |
| cooley spruce gall adelgid |
Adelges cooleyi |
25 |
| copper leafy spurge flea beetle |
Aphthona flava |
1 |
| copper toxicity |
|
3 |
| corn blotch leafminer |
Agromyza parvicornis |
1 |
| cotton aphid |
Aphis gossypii |
4 |
| cotton lace bug |
Corythucha gossypii |
3 |
| cotton square borer |
Strymon melinus |
1 |
| cottonwood borer |
Plectrodera scalator |
2 |
| cottonwood catkingall mite |
Eriophyes neoessegi |
1 |
| cottonwood clearwing borer |
Paranthrene dollii |
1 |
| cottonwood leaf beetle |
Chrysomela scripta |
2 |
| cottonwood leaf curl mite |
Aculus lobulifera |
2 |
| cottonwood twig borer |
Gypsonoma haimbachiana |
2 |
| crabapple and apple |
Malus spp. |
1 |
| cracks or splits |
|
4 |
| cranberry fruitworm |
Acrobasis vaccinii |
2 |
| cranberry girdler |
Chrysoteuchia topiaria |
1 |
| cranberry rootworm |
Rhabdopterus picipes |
2 |
| crapemyrtle aphid |
Sarucallis kahawaluokalani |
2 |
| crawfish |
Procambarus spp. |
1 |
| crown raising (pruning) |
|
1 |
| crown rust |
Puccinia coronata |
2 |
| crucifer flea beetle |
Phyllotreta cruciferae |
5 |
| cryptomeria scale |
Aspidiotus cryptomeriae |
3 |
| currant aphid |
Cryptomyzus ribis |
2 |
| currant borer |
Synanthedon tipuliformis |
1 |
| cutworms, loopers, owlet moths, and underwings |
|
3 |
| cycad aulacaspis scale |
Aulacaspis yasumatsui |
7 |
| cyclamen mite |
Phytonemus pallidus |
1 |
| cynipid gall wasp |
Callirhytis spp. |
1 |
| Cynipid gall wasp |
|
6 |
| Cynipid wasp |
Acraspis erinacei |
2 |
| cypress looper |
Iridopsis pergracilis |
1 |
| cypress twig gall midge |
Taxodiomyia cupressiananassa |
3 |
| cypress weevil |
Eudociminus mannerheimii |
2 |
| Cytospora cankers |
Cytospora spp. |
1 |
| damping-off/root rot |
Aphanomyces cochlioides |
2 |
| deadwood and snags |
|
1 |
| decay |
|
18 |
| deer |
|
12 |
| deer flies |
Chrysops spp. |
1 |
| defoliating hemlock moth |
Agonopterix alstroemeriana |
7 |
| defoliating weevil |
Magdalis gentilis |
1 |
| defoliation due to unknown cause |
|
8 |
| desication (wind burn) |
|
9 |
| diamondback moth |
Plutella capparidis |
1 |
| diamondback moth |
Plutella xylostella |
1 |
| dieback |
|
7 |
| differential grasshopper |
Melanoplus differentialis |
2 |
| dogwood anthracnose |
Discula destructiva |
1 |
| dogwood borer |
Synanthedon scitula |
1 |
| dogwood sawfly |
Macremphytus tarsatus |
4 |
| dogwood twig borer |
Oberea tripunctata |
2 |
| Dothiora fungus |
Dothiora polyspora |
1 |
| Douglas-fir beetle |
Dendroctonus pseudotsugae |
37 |
| Douglas-fir dwarf mistletoe |
Arceuthobium douglasii |
2 |
| Douglas-fir engraver |
Scolytus unispinosus |
1 |
| Douglas-fir needle midge |
Contarinia pseudotsugae |
3 |
| Douglas-fir tussock moth |
Orgyia pseudotsugata |
21 |
| Douglas-fir twig weevil |
Cylindrocopturus furnissi |
1 |
| downy mildew |
Plasmopara viticola |
1 |
| downy spot |
Microstroma juglandis |
1 |
| drought |
|
23 |
| drowning |
|
3 |
| drugstore beetle |
Stegobium paniceum |
1 |
| Dutch elm disease |
Ophiostoma ulmi |
1 |
| dwarf mistletoes |
Arceuthobium spp. |
4 |
| eastern ash bark beetle |
Hylesinus aculeatus |
5 |
| eastern blackheaded budworm |
Acleris variana |
1 |
| eastern cottontail |
Sylvilagus floridanus |
3 |
| eastern dwarf mistletoe |
Arceuthobium pusillum |
4 |
| eastern flower thrips |
Frankliniella tritici |
1 |
| eastern gray squirrel |
Sciurus carolinensis |
10 |
| eastern hemlock looper |
Lambdina fiscellaria fiscellaria |
2 |
| eastern larch beetle |
Dendroctonus simplex |
1 |
| eastern pine gall rust |
Cronartium quercuum |
1 |
| eastern pine looper |
Lambdina pellucidaria |
1 |
| eastern pine shoot borer |
Eucosma gloriola |
3 |
| eastern pine weevil |
Pissodes nemorensis |
4 |
| eastern spruce gall adelgid |
Adelges abietis |
13 |
| eastern subterranean termite |
Reticulitermes flavipes |
2 |
| eastern tent caterpillar |
Malacosoma americanum |
1 |
| eastern yellowjacket |
Vespula maculifrons |
1 |
| elf orpine |
Diamorpha smallii |
1 |
| elk |
Cervus canadensis |
5 |
| elm cockscombgall aphid |
Colopha ulmicola |
1 |
| elm leaf beetle |
Xanthogaleruca luteola |
10 |
| elm leafminer |
Kaliofenusa ulmi |
15 |
| elm spanworm |
Ennomos subsignaria |
3 |
| emerald ash borer |
Agrilus planipennis |
68 |
| entomopathogenic nematode |
Heterorhabditis bacteriophora |
1 |
| Eriophyid mite |
Eriophyes leisoma |
2 |
| Eriophyid mite |
Eriophyes populi |
1 |
| Eriophyid mite |
|
15 |
| Eriophyid mites |
Eriophyes spp. |
2 |
| erythrina gall wasp |
Quadrastichus erythrinae |
24 |
| esther moth |
Hypagyrtis esther |
1 |
| ethylene |
|
4 |
| eucalyptus weevil |
Gonipterus scutellatus |
1 |
| eugenia psyllid |
Trioza eugeniae |
1 |
| euonymus caterpillar |
Yponomeuta cagnagella |
4 |
| euonymus leaf notcher |
Pryeria sinica |
1 |
| European alder leafminer |
Fenusa dohrnii |
6 |
| European chafer |
Amphimallon majale |
1 |
| European corn borer |
Ostrinia nubilalis |
10 |
| European earwig |
Forficula auricularia |
1 |
| European elm flea weevil |
Orchestes alni |
7 |
| European elm scale |
Eriococcus spuria |
2 |
| European pine sawfly |
Neodiprion sertifer |
7 |
| European pine shoot moth |
Rhyacionia buoliana |
7 |
| Eutypella canker |
Eutypella parasitica |
2 |
| excessive water uptake |
|
1 |
| exhaust |
|
2 |
| exposed roots |
|
3 |
| fall armyworm |
Spodoptera frugiperda |
15 |
| fall cankerworm |
Alsophila pometaria |
4 |
| fall webworm |
Hyphantria cunea |
9 |
| false chinch bug |
Nysius raphanus |
5 |
| false Japanese beetle |
Strigoderma arboricola |
1 |
| false spider mite |
Pentamerismus taxi |
1 |
| fasciation |
|
1 |
| fertilization |
|
9 |
| fir engraver |
Scolytus ventralis |
20 |
| fire |
|
32 |
| fire ant |
Solenopsis geminata |
6 |
| flatheaded appletree borer |
Chrysobothris femorata |
2 |
| flatheaded fir borer |
Phaenops drummondi |
1 |
| flatheaded or metallic wood borer |
|
3 |
| flea beetles |
Altica spp. |
1 |
| flea beetles |
Aphthona spp. |
1 |
| flooding/high water |
|
27 |
| Florida fern caterpillar |
Callopistria floridensis |
1 |
| flower feeding weevil |
Nanophyes marmoratus |
2 |
| flower thrips |
Frankliniella spp. |
10 |
| flush cut |
|
4 |
| foliar nematodes |
Aphelenchoides spp. |
2 |
| forest tent caterpillar |
Malacosoma disstria |
3 |
| formosan subterranean termite |
Coptotermes formosanus |
4 |
| fourlined plant bug |
Poecilocapsus lineatus |
1 |
| fox squirrel |
Sciurus niger |
6 |
| frenching |
|
5 |
| frost and winter injury (general) |
|
152 |
| Fusarium wilts, blights, rots and damping-off |
Fusarium spp. |
1 |
| gall midge |
Taxodiomyia cupressi |
1 |
| gall midges |
|
5 |
| gallmaking maple borer |
Xylotrechus aceris |
1 |
| galls |
|
9 |
| garden onion |
Allium cepa |
30 |
| Gelechiid moth |
Coleotechnites variiella |
9 |
| Gelechiid moths |
|
1 |
| genetic abnormalities |
|
11 |
| Geometrid moth |
Lambdina vitraria |
1 |
| Geometrid moth |
|
2 |
| geotextile fabric |
|
6 |
| giant coccids |
Pityococcus deleoni |
2 |
| giant conifer aphids |
Cinara spp. |
1 |
| giant hogweed |
Heracleum mantegazzianum |
1 |
| giant palm borer |
Dinapate wrightii |
1 |
| giant root borers |
Prionus spp. |
3 |
| giant willow aphid |
Tuberolachnus salignus |
2 |
| gladiolus thrips |
Thrips simplex |
1 |
| glyphosate |
|
6 |
| goat (domestic) |
Capra hircus (domestic type) |
1 |
| golden loosestrife beetle |
Galerucella pusilla |
1 |
| goldspotted oak borer |
Agrilus coxalis auroguttatus |
2 |
| gorse soft shoot moth |
Agonopterix ulicitella |
2 |
| Goss' bacterial wilt |
Clavibacter michiganensis ssp. nebraskensis |
2 |
| gouty oak gall |
Callirhytis quercuspunctata |
19 |
| gouty pitch midge |
Cecidomyia piniinopis |
8 |
| grade change |
|
5 |
| granulate ambrosia beetle |
Xylosandrus crassiusculus |
3 |
| granulate cutworm |
Agrotis subterranea |
1 |
| grape erineum mite |
Colomerus vitis |
1 |
| grape mealybug |
Pseudococcus maritimus |
1 |
| grape phylloxera |
Daktulosphaira vitifoliae |
2 |
| grass fly |
Lipara similis |
1 |
| grasshopper fungus |
Entomophthora grylli |
2 |
| grasshoppers |
|
14 |
| gray garden slug |
Deroceras reticulatum |
1 |
| gray molds |
Botrytis spp. |
1 |
| greater wax moth |
Galleria mellonella |
1 |
| green ash |
Fraxinus pennsylvanica |
2 |
| green peach aphid |
Myzus persicae |
8 |
| greenbug |
Schizaphis graminum |
2 |
| greenstriped mapleworm |
Dryocampa rubicunda |
4 |
| ground squirrels |
Spermophilus spp. |
1 |
| gypsy moth |
Lymantria dispar |
13 |
| Haanchen mealybug |
Trionymus haancheni |
6 |
| hackberry blistergall psyllid |
Pachypsylla celtidisvesiculum |
1 |
| hackberry emperor |
Asterocampa celtis |
1 |
| hackberry lace bug |
Corythucha celtidis |
1 |
| hackberry nipple gall parasitoid |
Eurytoma semivenae |
1 |
| hackberry nipplegall maker |
Pachypsylla celtidismamma |
4 |
| hackberry witches' broom |
|
4 |
| hail |
|
114 |
| hairy chinch bug |
Blissus leucopterus hirtus |
2 |
| harlequin bug |
Murgantia histrionica |
1 |
| hawthorn agrilus |
Agrilus crataegi |
1 |
| hawthorn leafminer |
Profenusa canadensis |
4 |
| heat |
|
14 |
| hemlock borer |
Phaenops fulvoguttata |
1 |
| hemlock dwarf mistletoe |
Arceuthobium tsugense |
1 |
| hemlock sawfly |
Neodiprion tsugae |
2 |
| hemlock scale |
Abgrallaspis ithacae |
2 |
| hemlock woolly adelgid |
Adelges tsugae |
14 |
| herbicides (general) |
|
137 |
| hickory agrilus |
Agrilus otiosus |
3 |
| hickory gall phylloxera |
Phylloxera caryaecaulis |
5 |
| hickory shuckworm |
Cydia caryana |
3 |
| hickory tussock moth |
Lophocampa caryae |
1 |
| High Plains Virus |
Uncharacterised virus HPV |
3 |
| high soluble salts |
|
8 |
| holly leafminer |
Phytomyza ilicis |
2 |
| hollyhock weevil |
Rhopalapion longirostre |
2 |
| honey bee |
Apis mellifera |
2 |
| honeylocust leafhopper |
Macropsis fumipennis |
1 |
| honeylocust plant bug |
Diaphnocoris chlorionis |
5 |
| honeylocust pod gall midge |
Dasineura gleditchiae |
4 |
| honeylocust spider mite |
Platytetranychus multidigituli |
5 |
| honeysuckle aphid |
Hyadaphis tataricae |
4 |
| hop aphid |
Phorodon humuli |
1 |
| horned oak gall |
Callirhytis cornigera |
9 |
| horse (domestic) |
Equus caballus (domestic type) |
2 |
| house finch |
Carpodacus mexicanus |
1 |
| huisache girdler |
Oncideres pustulata |
2 |
| human caused injury |
|
58 |
| hurricane |
|
39 |
| ice storm |
|
1 |
| Ichneumonid wasps |
|
1 |
| imbedded objects |
|
20 |
| imported willow leaf beetle |
Plagiodera versicolora |
1 |
| included bark |
|
2 |
| inrolled crack |
|
1 |
| introduced basswood thrips |
Thrips calcaratus |
1 |
| introduced pine sawfly |
Diprion similis |
1 |
| Ips engraver beetles |
Ips spp. |
59 |
| Ips engraver beetles |
Ips spp. |
1 |
| iron deficiency |
|
7 |
| iron staining |
|
3 |
| irrigation |
|
1 |
| island applesnail |
Pomacea maculata |
2 |
| jack pine budworm |
Choristoneura pinus pinus |
10 |
| Japanese beetle |
Popillia japonica |
37 |
| Japanese cedar longhorn beetle |
Callidiellum rufipenne |
3 |
| jumping oak gall |
Neuroterus saltatorius |
4 |
| juniper budworm |
Cudonigera houstonana |
4 |
| juniper mistletoe |
Phoradendron juniperinum |
7 |
| juniper scale |
Carulaspis juniperi |
16 |
| juniper twig pruner |
Styloxus bicolor |
2 |
| juniper webworm |
Dichomeris marginella |
1 |
| karner blue |
Plebejus melissa |
3 |
| katydid |
|
1 |
| kermes scales |
Kermes spp. |
1 |
| kudzu |
Pueraria montana var. lobata |
4 |
| kudzu bug |
Megacopta cribraria |
8 |
| lace bugs |
Corythucha spp. |
4 |
| lace bugs |
|
1 |
| lantana |
Lantana spp. |
1 |
| lantana lace bug |
Teleonemia scrupulosa |
2 |
| larch casebearer |
Coleophora laricella |
8 |
| larch dwarf mistletoe |
Arceuthobium laricis |
1 |
| larch needleworm |
Zeiraphera improbana |
1 |
| larch sawfly |
Pristiphora erichsonii |
6 |
| large aspen tortrix |
Choristoneura conflictana |
11 |
| large oak-apple gall |
Amphibolips confluenta |
3 |
| larger elm leaf beetle |
Monocesta coryli |
9 |
| larger pine shoot beetle |
Tomicus piniperda |
12 |
| laurel wilt |
Raffaelea lauricola |
13 |
| leaf and flower gall |
Exobasidium vaccinii |
3 |
| leaf beetle |
Octotoma plicatula |
1 |
| leaf blotch miner moth |
Phyllonorycter issikii |
3 |
| leaf blotch miner moths |
Phyllocnistis spp. |
2 |
| leaf blotch miners |
Phyllonorycter spp. |
4 |
| leaf cutter weevil |
Amblyrhinus poricollis |
1 |
| leaf scorches |
|
2 |
| leaf spot |
Tubakia dryina |
4 |
| leaf-footed bug |
|
1 |
| leaf-footed bugs |
Leptoglossus spp. |
2 |
| leaf-rolling weevil |
Homoeolabus analis |
4 |
| leafcurl ash aphid |
Meliarhizophagus fraxinifolii |
9 |
| leafcurl midges |
Dasineura spp. |
2 |
| leafcurl plum aphid |
Brachycaudus helichrysi |
1 |
| leafhopper |
Empoasca recurvata |
1 |
| leafhopper |
Paraphlepus strobi |
2 |
| leafhopper |
Typhlocyba albicans |
3 |
| leafhoppers |
|
2 |
| leafminer flies |
|
3 |
| leafminer flies |
Phytomyza spp. |
1 |
| leafminer fly |
Liriomyza spp. |
6 |
| leafrollers and olethreutine moths |
|
2 |
| leafy spurge gall midge |
Spurgia esulae |
2 |
| leafy spurge stem boring beetle |
Oberea erythrocephala |
1 |
| lesion nematode |
Pratylenchus spp. |
3 |
| lesser cornstalk borer |
Elasmopalpus lignosellus |
37 |
| lesser knapweed flower weevil |
Larinus minutus |
4 |
| lesser peachtree borer |
Synanthedon pictipes |
4 |
| lettuce root aphid |
Pemphigus bursarius |
1 |
| Lewis spider mite |
Eotetranychus lewesi |
3 |
| lightning |
|
79 |
| lilac root weevil |
Otiorhynchus meridionalis |
2 |
| lily leaf beetle |
Lilioceris lilii |
2 |
| limber pine dwarf mistletoe |
Arceuthobium cyanocarpum |
3 |
| linden looper |
Erannis tiliaria |
3 |
| living-hickory borer |
Goes pulcher |
2 |
| loblolly pine sawfly |
Neodiprion taedae linearis |
2 |
| locust borer |
Megacyllene robiniae |
7 |
| locust digitate leaf miner |
Parectopa robiniella |
1 |
| locust leafminer |
Odontota dorsalis |
14 |
| locust sawfly |
Nematus tibialis |
1 |
| lodgepole cone beetle |
Conophthorus ponderosae |
4 |
| lodgepole needleminer |
Coleotechnites milleri |
3 |
| lodgepole needletier |
Argyrotaenia tabulana |
1 |
| lodgepole pine |
Pinus contorta |
1 |
| lodgepole sawfly |
Neodiprion burkei |
1 |
| lodgepole terminal weevil |
Pissodes terminalis |
8 |
| lodging |
|
1 |
| logging damage |
|
6 |
| long-horned beetles |
|
2 |
| long-horned beetles |
Xylotrechus spp. |
3 |
| longleaf pine |
Pinus palustris |
8 |
| Lyonetiid moth |
|
1 |
| magnesium deficiency |
|
3 |
| maize weevil |
Sitophilus zeamais |
1 |
| manganese deficiency |
|
2 |
| manzanita leafgall aphid |
Tamalia inquilina |
4 |
| maple bladdergall mite |
Vasates quadripedes |
5 |
| maple callus borer |
Synanthedon acerni |
1 |
| maple petiole borer |
Caulocampus acericaulis |
1 |
| maple spindlegall mite |
Vasates aceriscrummena |
1 |
| maple trumpet skeletonizer |
Catastega aceriella |
5 |
| maple twig borer |
Proteoteras aesculana |
1 |
| May-June beetles |
Phyllophaga spp. |
10 |
| mealy plum aphid |
Hyalopterus pruni |
1 |
| mealybug |
Chorizococcus abroniae |
1 |
| mealybug |
Puto albicans |
2 |
| mealybugs |
|
3 |
| mechanical |
|
10 |
| mechanical thinning |
|
1 |
| Mediterranean fruit fly, Medfly |
Ceratitis capitata |
1 |
| Mediterranean sage root crown weevil |
Phrydiuchus tau |
4 |
| Mediterranean tamarisk beetle |
Diorhabda elongata |
3 |
| melaleuca leaf weevil |
Oxyops vitiosa |
1 |
| melon thrips |
Thrips palmi |
1 |
| melonworm |
Diaphania hyalinata |
1 |
| metalic wood-boring beetles |
Agrilus spp. |
1 |
| Mexican bean beetle |
Epilachna varivestis |
5 |
| mile-a-minute weevil |
Rhinoncomimus latipes |
2 |
| mimosa webworm |
Homadaula anisocentra |
3 |
| misc. forestry picture |
|
1 |
| mistletoes |
Phoradendron spp. |
1 |
| mites |
|
1 |
| mites (Order Acari) |
Acari (Order) |
1 |
| mole crickets |
|
1 |
| Monterey pine aphid |
Essigella californica |
12 |
| moose |
Alces alces |
6 |
| mountain pine beetle |
Dendroctonus ponderosae |
86 |
| mountain-ash sawfly |
Pristiphora geniculata |
1 |
| mulberry leaftier/roller |
Glyphodes sibillalis |
1 |
| mule deer |
Odocoileus hemionus |
11 |
| multi-damage (insect/disease) |
|
1 |
| musk thistle flower fly |
Cheilosia corydon |
3 |
| musk thistle head weevil |
Rhinocyllus conicus |
4 |
| Nantucket pine tip moth |
Rhyacionia frustrana |
20 |
| native elm bark beetle |
Hylurgopinus rufipes |
1 |
| native holly leafminer |
Phytomyza ilicicola |
3 |
| native subterranean termite |
Reticulitermes virginicus |
1 |
| Nectria canker |
Nectria spp. |
1 |
| needle nematode |
Longidorus africanus |
3 |
| needleminer |
Ocnerostoma spp. |
1 |
| nematodes |
|
3 |
| nitrogen deficiency |
|
4 |
| norflurazon |
|
23 |
| Northern citrus root weevil |
Pachnaeus opalus |
1 |
| northern pitch twig moth |
Retinia albicapitana |
1 |
| northern pocket gopher |
Thomomys talpoides |
1 |
| Norway spruce |
Picea abies |
1 |
| nuclear polyhedrosis virus |
Nucleopolyhedrovirus |
3 |
| nut curculio |
Conotrachelus hicoriae |
1 |
| nutria |
Myocastor coypus |
1 |
| nutrient deficiency |
|
2 |
| nutrient excess or toxicity (general) |
|
4 |
| oak apple gall |
Amphibolips spp. |
2 |
| oak branch borer |
Goes debilis |
1 |
| oak bullet gall |
Disholcaspis quercusglobulus |
2 |
| oak lace bug |
Corythucha arcuata |
1 |
| oak leafminers |
Cameraria spp. |
2 |
| oak phylloxerids |
Phylloxera spp. |
3 |
| oak rough bulletgall wasp |
Disholcaspis quercusmamma |
10 |
| oak sapling borer |
Goes tesselatus |
1 |
| oak sawfly |
Caliroa petiolata |
1 |
| oak shothole leafminer |
Agromyza viridula |
1 |
| oak skeletonizer |
Bucculatrix ainsliella |
4 |
| oak slug sawfly |
Caliroa annulipes |
3 |
| oak stem borer |
Aneflomorpha subpubescens |
1 |
| oak tatters |
|
13 |
| oak timberworm |
Arrenodes minutus |
1 |
| oak webworm |
Archips fervidana |
1 |
| oak wilt |
Ceratocystis fagacearum |
1 |
| obscure scale |
Melanaspis obscura |
1 |
| ocellate gall midge |
Acericecis ocellaris |
17 |
| old man's whiskers |
Geum triflorum var. triflorum |
1 |
| olive fruit fly |
Bactrocera oleae |
3 |
| onion thrips |
Thrips tabaci |
8 |
| orange spiny whitefly |
Aleurocanthus spiniferus |
1 |
| orange spruce needleminer |
Coleotechnites piceaella |
1 |
| orangestriped oakworm |
Anisota senatoria |
1 |
| oriental fruit fly |
Bactrocera dorsalis |
1 |
| Oriental fruit moth |
Grapholita molesta |
1 |
| oval leaf beetles |
Colaspis spp. |
1 |
| oystershell scale |
Lepidosaphes ulmi |
1 |
| ozone |
|
26 |
| Pacific flatheaded borer |
Chrysobothris mali |
2 |
| painted lady butterfly |
Vanessa cardui |
1 |
| pale western cutworm |
Agrotis orthogonia |
1 |
| pales weevil |
Hylobius pales |
14 |
| palestriped flea beetle |
Systena blanda |
4 |
| palm leaf skeletonizer |
Homaledra sabalella |
1 |
| pandora moth |
Coloradia pandora |
3 |
| panicle rice mite |
Steneotarsonemus spinki |
2 |
| Pantoea rot and blight |
Pantoea ananatis pv. ananatis |
7 |
| papaya mealybug |
Paracoccus marginatus |
2 |
| paraquat |
|
13 |
| pea leafminer |
Liriomyza huidobrensis |
1 |
| peach bark beetle |
Phloeotribus liminaris |
4 |
| pear psylla |
Cacopsylla pyricola |
1 |
| pearleaf blister mite |
Eriophyes pyri |
1 |
| pecan bud moth |
Gretchena bolliana |
1 |
| pecan carpenterworm |
Cossula magnifica |
1 |
| pecan leaf casebearer |
Acrobasis juglandis |
4 |
| pecan leaf phylloxera |
Phylloxera notabilis |
1 |
| pecan leaf roll mite |
Aceria caryae |
1 |
| pecan leaf scorch mite |
Eotetranychus hicoriae |
2 |
| pecan nut casebearer |
Acrobasis nuxvorella |
5 |
| pecan phylloxera |
Phylloxera devastatrix |
3 |
| pecan serpentine leafminer |
Stigmella judlandifoliella |
2 |
| pecan spittlebug |
Clastoptera achatina |
1 |
| pecan weevil |
Curculio caryae |
3 |
| people |
|
1 |
| pepper weevil |
Anthonomus eugenii |
2 |
| perennial lupine |
Lupinus perennis |
11 |
| periodical cicada |
Magicicada septendecim |
15 |
| periodical cicada |
Magicicada spp. |
8 |
| persimmon agrilus |
Agrilus fuscipennis |
1 |
| persimmon borer |
Sannina uroceriformis |
1 |
| pesticides |
|
26 |
| phosphorous deficiency |
|
1 |
| pickleworm |
Diaphania nitidalis |
2 |
| pig (domestic) |
Sus scrofa (domestic type) |
2 |
| pig (feral) |
Sus scrofa (feral type) |
5 |
| pigeon tremex |
Tremex columba |
2 |
| pileated woodpecker |
Dryocopus pileatus |
16 |
| pin oak kermes |
Allokermes galliformis |
1 |
| pine |
Pinus spp. |
2 |
| pine bark adelgid |
Pineus strobi |
1 |
| pine butterfly |
Neophasia menapia |
1 |
| pine catkin sawflies |
Xyela spp. |
1 |
| pine chafer |
Anomala oblivia |
6 |
| pine colaspis |
Colaspis pini |
3 |
| pine cone cerambycid |
Chlorophorus strobilicola |
1 |
| pine engraver |
Ips pini |
16 |
| pine false webworm |
Acantholyda erythrocephala |
4 |
| pine gall weevil |
Podapion gallicola |
2 |
| pine grosbeak |
Pinicola enucleator |
1 |
| pine leaf adelgid |
Pineus pinifoliae |
3 |
| pine needle sheathminer |
Zelleria haimbachi |
11 |
| pine reproduction weevil |
Cylindrocopturus eatoni |
1 |
| pine resin midges |
Cecidomyia spp. |
1 |
| pine root collar weevil |
Hylobius radicis |
6 |
| pine shoot gall sawfly |
Xyela gallicaulis |
1 |
| pine shootmoths |
Retinia spp. |
3 |
| pine spider mite |
Oligonychus subnudus |
3 |
| pine spittlebug |
Aphrophora cribrata |
1 |
| pine thrips |
Gnophothrips spp. |
1 |
| pine tip moths |
Rhyacionia spp. |
8 |
| pine tip root weevil |
Hylobius rhizophagus |
1 |
| pine tortoise scale |
Toumeyella parvicornis |
2 |
| pine tube moth |
Argyrotaenia pinatubana |
1 |
| pine tussock moth |
Dasychira grisefacta |
7 |
| pine tussock moth |
Dasychira pinicola |
1 |
| pine webworm |
Pococera robustella |
8 |
| pine wilt nematode |
Bursaphelenchus xylophilus |
8 |
| pineapple gall midges |
Rabdophaga spp. |
1 |
| pineland dwarf mistletoe |
Arceuthobium vaginatum ssp. cryptopodum |
3 |
| pinhole borer |
Platypus spp. |
3 |
| pink hibiscus mealybug |
Maconellicoccus hirsutus |
9 |
| pinkstriped oakworm |
Anisota virginiensis |
1 |
| pinon pitch nodule moth |
Retinia arizonensis |
1 |
| pinyon blister rust |
Cronartium occidentale |
15 |
| pinyon dwarf mistletoe |
Arceuthobium divaricatum |
4 |
| pinyon ips |
Ips confusus |
11 |
| pinyon needle scale |
Matsucoccus acalyptus |
4 |
| pinyon sawfly |
Neodiprion edulicolus |
1 |
| pinyon spindlegall midge |
Pinyonia edulicola |
3 |
| pinyon tip moth |
Dioryctria albovittella |
5 |
| pit scale |
Pollinia pollini |
1 |
| pitch twig moth |
Retinia comstockiana |
1 |
| pitch-eating weevil |
Pachylobius picivorus |
2 |
| plant bug |
Lygus spp. |
5 |
| plant bug |
|
3 |
| planthopper |
Taosa inexacta |
2 |
| planting |
|
2 |
| planting stock |
|
2 |
| plum curculio |
Conotrachelus nenuphar |
1 |
| pocket gophers |
|
2 |
| ponderosa pine coneworm |
Dioryctria auranticella |
3 |
| ponderosa pine dwarf mistletoe |
Arceuthobium vaginatum |
2 |
| Ponderosa pine needleminer |
Coleotechnites ponderosae |
4 |
| ponderosa pine tip moth |
Rhyacionia zozana |
2 |
| pondspice |
Litsea aestivalis |
2 |
| poor architecture |
|
1 |
| poplar blackmine beetle |
Zeugophora scutellaris |
2 |
| poplar borer |
Saperda calcarata |
9 |
| poplar branch borer |
Oberea schaumii |
1 |
| poplar budgall mite |
Eriophyes parapopuli |
2 |
| poplar gall borer |
Saperda inornata |
4 |
| poplar leaf aphid |
Chaitophorus populicola |
1 |
| poplar leafcurl midge |
Prodiplosis morrisi |
1 |
| poplar petiolegall aphid |
Pemphigus populitransversus |
4 |
| poplar tentmaker |
Clostera inclusa |
2 |
| poplar twig gall aphid |
Pemphigus populiramulorum |
1 |
| poplar twiggall fly |
Hexomyza schineri |
12 |
| poplar vagabond aphid |
Mordvilkoja vagabunda |
3 |
| poplar-and-willow borer |
Cryptorhynchus lapathi |
1 |
| porcupine |
Erethizon dorsatum |
18 |
| potassium deficiency |
|
2 |
| potato flea beetle |
Epitrix cucumeris |
3 |
| potato leafhopper |
Empoasca fabae |
1 |
| potato/tomato psyllid |
Paratrioza cockerelli |
10 |
| powdery mildew |
Leveillula taurica |
1 |
| powdery mildew |
Podosphaera leucotricha |
1 |
| powdery mildew |
Sphaerotheca phytoptophila |
2 |
| prescribed fire |
|
1 |
| prickly pear moth |
Cactoblastis cactorum |
11 |
| privet thrips |
Dendrothrips ornatus |
2 |
| pruning (general) |
|
5 |
| psyllids |
|
2 |
| Pteromalid Wasp |
Pteromalus sequester |
1 |
| puncturevine seed weevil |
Microlarinus lareynii |
2 |
| purple erineum maple mite |
Eriophyes calcercis |
1 |
| Pythium diseases |
Pythium spp. |
2 |
| quizalofop-P |
|
6 |
| ragwort seed fly |
Botanophila seneciella |
2 |
| raspberry cane borer |
Oberea perspicillata |
4 |
| raspberry horntail |
Hartigia cressonii |
2 |
| rat, vole, mouse |
|
7 |
| red belt abiotic damage |
|
3 |
| red imported fire ant |
Solenopsis invicta |
1 |
| red maple |
Acer rubrum |
1 |
| red oak borer |
Enaphalodes rufulus |
29 |
| red oak clearwing borer |
Paranthrene simulans |
1 |
| red palm weevil |
Rhynchophorus ferrugineus |
1 |
| red pine cone beetle |
Conophthorus resinosae |
2 |
| red pine cone borer |
Eucosma monitorana |
2 |
| red pine shoot moth |
Dioryctria resinosella |
7 |
| red spider mite |
Tetranychus macfarlanei |
1 |
| red turpentine beetle |
Dendroctonus valens |
8 |
| red-cockaded woodpecker |
Picoides borealis |
9 |
| red-humped caterpillar moth |
Schizura concinna |
1 |
| redbanded thrips |
Selenothrips rubrocinctus |
1 |
| redbay ambrosia beetle |
Xyleborus glabratus |
5 |
| redbud leaffolder |
Fascista cercerisella |
2 |
| redheaded ash borer |
Neoclytus acuminatus |
3 |
| redheaded flea beetle |
Systena frontalis |
5 |
| redheaded pine sawfly |
Neodiprion lecontei |
19 |
| restricted root system |
|
27 |
| rhinoceros beetle |
Xyloryctes jamaicensis |
1 |
| Rhizoctonia damping-off, blight and rot |
Rhizoctonia solani |
2 |
| rice delphacid |
Tagosodes orizicolus |
1 |
| ripping/furrowing/bedding |
|
1 |
| risk tree |
|
1 |
| riverhemp |
Sesbania spp. |
1 |
| Road salt or de-icing salt |
|
22 |
| rodents |
|
6 |
| root aphid |
Prociphilus americanus |
1 |
| root aphids |
Pemphigus spp. |
2 |
| root cutting and trenching |
|
2 |
| root diseases and rots |
|
2 |
| root lifting, soil heaving, and windthrow |
|
24 |
| root problems |
|
3 |
| root rot |
Phellinus hartigii |
5 |
| root-boring weevil |
Hylobius transversovittatus |
2 |
| root-knot nematode |
Meloidogyne spp. |
22 |
| rose aphid |
Macrosiphum rosae |
1 |
| rose rosette disease |
Uncharacterised agent RRD |
3 |
| rose stem girdler |
Agrilus cuprescens |
3 |
| royal palm bug |
Xylastodoris luteolus |
6 |
| Russian thistle moth |
Coleophora klimeschiella |
2 |
| Russian wheat aphid |
Diuraphis noxia |
5 |
| rust mite |
Epitrimerus spp. |
3 |
| salvinia stem borer/waterlettuce moth |
Samea multiplicalis |
1 |
| San Jose scale |
Diaspidiotus perniciosus |
1 |
| sand dune |
|
2 |
| sandblasting |
|
2 |
| sap beetle |
|
2 |
| sapsucker injury |
|
12 |
| Saratoga spittlebug |
Aphrophora saratogensis |
6 |
| satsuma mandarin |
Citrus unshi |
3 |
| sawflies |
Caliroa spp. |
1 |
| sawflies |
|
2 |
| sawyer beetles |
Monochamus spp. |
2 |
| scarab beetle |
Phyllophaga falsa |
4 |
| scarlet oak sawfly |
Caliroa quercuscoccineae |
1 |
| Sclerotinia rot |
Sclerotinia sclerotiorum |
1 |
| Scottish broom seed weevil |
Exapion fuscirostre |
1 |
| sea salt |
|
2 |
| seedcorn maggot |
Delia platura |
8 |
| seedlings |
|
1 |
| selection thinning |
|
2 |
| sequoia pitch moth |
Synanthedon sequoiae |
2 |
| shear crack |
|
3 |
| sheep |
Ovis aries |
3 |
| shelterwood |
|
1 |
| shortleaf pine cone borer |
Eucosma cocana |
1 |
| silverleaf whitefly |
Bemisia tabaci Biotype B |
1 |
| simazine |
|
1 |
| sink hole |
|
1 |
| Sirex woodwasp |
Sirex noctilio |
1 |
| sixspined ips |
Ips calligraphus |
4 |
| skeletonweed gall midge |
Cystiphora schmidti |
1 |
| skeletonweed gall mite |
Eriophyes chondrillae |
5 |
| slugs |
|
2 |
| small hive beetle |
Aethina tumida |
1 |
| small southern pine engraver |
Ips avulsus |
22 |
| smaller European elm bark beetle |
Scolytus multistriatus |
5 |
| snout beetles or weevils |
|
3 |
| snow and ice damage (snow load) |
|
80 |
| soapberry borer |
Agrilus prionurus |
15 |
| soil & water |
|
15 |
| soil compaction |
|
5 |
| soil crusting |
|
6 |
| soil fumigant |
|
2 |
| solitary oak leafminer |
Cameraria hamadryadella |
1 |
| sorghum |
Sorghum bicolor |
1 |
| South African citrus thrips |
Scirtothrips aurantii |
1 |
| South American rice miner |
Hydrellia wirthi |
3 |
| southeastern gray twig pruner |
Anelaphus villosus |
2 |
| southern armyworm |
Spodoptera eridania |
4 |
| southern chinch bug |
Blissus insularis |
1 |
| southern corn billbug |
Sphenophorus callosus |
1 |
| southern green stink bug |
Nezara viridula |
8 |
| southern mole cricket |
Scapteriscus borellii |
3 |
| southern pine beetle |
Dendroctonus frontalis |
106 |
| southern pine coneworm |
Dioryctria amatella |
5 |
| southern pine sawyer |
Monochamus titillator |
4 |
| southern red mite |
Oligonychus ilicis |
6 |
| southwestern tent caterpillar |
Malacosoma incurvum |
4 |
| southwestern white-spored gall rust |
Peridermium (An undescribed species) |
1 |
| soybean cyst nematode |
Heterodera glycines |
3 |
| spear-marked black moth |
Rheumaptera hastata |
1 |
| spicebush swallowtail |
Papilio troilus |
5 |
| spider mites |
|
10 |
| spinach |
Spinacia oleracea |
2 |
| spinach leafminer |
Pegomya hyoscyami |
1 |
| spittlebugs or froghoppers |
|
1 |
| spotted cucumber beetle |
Diabrotica undecimpunctata howardi |
4 |
| spotted waterhemlock |
Cicuta maculata |
1 |
| spotworm borer |
Agrilus acutipennis |
2 |
| spruce |
Picea spp. |
1 |
| spruce aphid |
Elatobium abietinum |
2 |
| spruce beetle |
Dendroctonus rufipennis |
53 |
| spruce broom rust |
Chrysomyxa arctostaphyli |
3 |
| spruce bud midge |
Dasineura swainei |
2 |
| spruce bud moth |
Zeiraphera canadensis |
1 |
| spruce bud scale |
Physokermes piceae |
1 |
| spruce budworm |
Choristoneura fumiferana |
15 |
| spruce budworm |
Choristoneura orae |
1 |
| spruce coneworm |
Dioryctria abietella |
1 |
| spruce gall adelgid |
Pineus similis |
2 |
| spruce gall aphids |
Adelges spp. |
4 |
| spruce gall midge |
Mayetiola piceae |
2 |
| spruce needleminer |
Taniva albolineana |
8 |
| spruce spider mite |
Oligonychus ununguis |
7 |
| spur-throated grasshoppers |
Melanoplus spp. |
3 |
| squash bug |
Anasa tristis |
15 |
| squash vine borer |
Melittia cucurbitae |
2 |
| squirrel |
Sciurus spp. |
15 |
| Sri Lanka weevil |
Myllocerus undatus |
1 |
| St. John's wart midge |
Zeuxidiplosis giardi |
2 |
| St. John's Wort Inchworm |
Aplocera plagiata |
1 |
| staking |
|
4 |
| stalk borer |
Papaipema nebris |
2 |
| stem and bulb nematode |
Ditylenchus dipsaci |
4 |
| stem decay of black walnut |
Phellinus weirianus |
1 |
| stem form and wood quality |
|
2 |
| stem-boring weevil |
Mecinus janthinus |
9 |
| stem-gall nematode |
Subanguina picridis |
3 |
| sting nematode |
Belonolaimus spp. |
8 |
| sting or lance nematode |
|
1 |
| stink bugs |
|
9 |
| storm damage (general) |
|
38 |
| strawberry rootworm |
Paria fragariae |
5 |
| strawberry sap beetle |
Stelidota geminata |
2 |
| strawberry spider mite |
Tetranychus turkestani |
1 |
| striped alder sawfly |
Hemichroa crocea |
1 |
| striped cucumber beetle |
Acalymma vittatum |
14 |
| striped pine scale |
Toumeyella pini |
1 |
| stubby root nematodes |
Paratrichodorus spp. |
2 |
| stubs |
|
4 |
| subalpine fir |
Abies lasiocarpa |
1 |
| subterranean termite |
Reticulitermes spp. |
1 |
| sudden aspen decline |
|
2 |
| sudden oak death |
Phytophthora ramorum |
2 |
| sugar maple borer |
Glycobius speciosus |
7 |
| sugar pine tortrix |
Choristoneura lambertiana |
9 |
| sulfur deficiency |
|
1 |
| sunflower headclipping weevil |
Haplorhynchites aeneus |
1 |
| sunscald |
|
40 |
| swamp milkweed |
Asclepias incarnata |
2 |
| sweetgum defoliator |
Paectes abrostoloides |
3 |
| sweetpotato whitefly |
Bemisia tabaci |
4 |
| sycamore lace bug |
Corythucha ciliata |
1 |
| sycamore leaf beetle |
Neochlamisus platani |
2 |
| sycamore leaf blotch miner |
Ectoedemia platanella |
2 |
| sycamore tussock moth |
Halysidota harrisii |
1 |
| take-all root rot |
Gaeumannomyces graminis var. tritici |
1 |
| tarnished plant bug |
Lygus lineolaris |
11 |
| tea scale |
Fiorinia theae |
8 |
| termites |
|
48 |
| Tetranychid mite |
Oligonychus perditus |
1 |
| Texas leafcutting ant |
Atta texana |
3 |
| thinning (stand) |
|
1 |
| thistle crown weevil |
Trichosirocalus horridus |
5 |
| thistle tortoise beetle |
Cassida rubiginosa |
3 |
| Thousand Cankers Disease |
Geosmithia morbida |
2 |
| three-lined Lema beetle |
Lema trivittata |
2 |
| threecornered alfalfa hopper |
Spissistilus festinus |
7 |
| thrips |
Holopothrips tabebuia |
12 |
| thrips |
|
8 |
| thrips (Order Thysanoptera) |
Thysanoptera (Order) |
2 |
| tip moth |
|
8 |
| Toadflax Brocade |
Calophasia lunula |
1 |
| toadflax root-galling weevil |
Rhinusa linariae |
1 |
| toadflax seed weevil |
Rhinusa antirrhini |
1 |
| tobacco aphid |
Myzus nicotianae |
1 |
| tobacco budworm |
Heliothis virescens |
18 |
| tobacco flea beetle |
Epitrix hirtipennis |
8 |
| tobacco hornworm |
Manduca sexta |
3 |
| tobacco splitworm |
Phthorimaea operculella |
37 |
| tobacco thrips |
Frankliniella fusca |
2 |
| tobacco wireworm |
Conoderus vespertinus |
4 |
| tomato |
Lycopersicon esculentum |
2 |
| topping |
|
29 |
| tornado |
|
17 |
| transplant shock |
|
2 |
| tree grate |
|
1 |
| tree implants |
|
22 |
| tree injections |
|
1 |
| tree pit |
|
1 |
| triclopyr |
|
3 |
| tropical storm |
|
2 |
| true bugs |
|
1 |
| tuber flea beetle |
Epitrix tuberis |
5 |
| tuliptree leaf spot gall midge |
Resseliella liriodendri |
1 |
| tuliptree scale |
Toumeyella liriodendri |
2 |
| tupelo borer |
Aegomorphus morrisii |
2 |
| turf (general) |
|
1 |
| tussock moths |
Halysidota spp. |
2 |
| twig beetles |
Pityophthorus spp. |
1 |
| twig girdler |
Oncideres cingulata |
6 |
| twolined chestnut borer |
Agrilus bilineatus |
10 |
| twospotted spider mite |
Tetranychus urticae |
21 |
| undermined root system |
|
1 |
| unknown |
|
5 |
| unknown leafminer |
|
1 |
| urban infrastructure |
|
1 |
| vandalism |
|
1 |
| variegated cutworm |
Peridroma saucia |
1 |
| vegetable leafminer |
Liriomyza sativae |
5 |
| vegetable weevil |
Listroderes costirostris obliquus |
1 |
| vegetable weevil |
Listroderes difficilis |
1 |
| vein pocket gall |
Macrodiplosis erubescens |
1 |
| velvetbean caterpillar |
Anticarsia gemmatalis |
1 |
| viburnum |
Viburnum spp. |
1 |
| viburnum borer |
Synanthedon viburni |
2 |
| viburnum leaf beetle |
Pyrrhalta viburni |
3 |
| Virginia pine sawfly |
Neodiprion pratti pratti |
2 |
| visual tree inspection |
|
1 |
| volcanoes |
|
4 |
| vole |
Microtus spp. |
5 |
| walkingstick |
Diapheromera femorata |
3 |
| walnut caterpillar |
Datana integerrima |
4 |
| walnut catkingall mite |
Eriophyes neobeevori |
4 |
| walnut husk fly |
Rhagoletis completa |
2 |
| walnut leafhopper |
Dikrella readionis |
2 |
| walnut shoot moth |
Acrobasis demotella |
3 |
| walnut twig beetle |
Pityophthorus juglandis |
11 |
| water hyacinth weevils |
Neochetina spp. |
2 |
| waterlettuce weevil |
Neohydronomus affinis |
1 |
| waved sphinx |
Ceratomia undulosa |
1 |
| weak branch union |
|
4 |
| weather fleck |
|
5 |
| webbing coneworm |
Dioryctria disclusa |
8 |
| webworm |
Pococera spp. |
1 |
| West Indian cane weevil |
Metamasius hemipterus |
3 |
| western balsam bark beetle |
Dryocoetes confusus |
9 |
| western blackheaded budworm |
Acleris gloverana |
1 |
| western corn rootworm |
Diabrotica virgifera virgifera |
5 |
| western drywood termite |
Incisitermes minor |
1 |
| western dwarf mistletoe |
Arceuthobium campylopodum |
1 |
| western erineum mite |
Phyllocoptes didelphis |
1 |
| western false hemlock looper |
Nepytia freemani |
1 |
| western flower thrips |
Frankliniella occidentalis |
9 |
| western grape leafhopper |
Erythroneura elegantula |
2 |
| western hemlock looper |
Lambdina fiscellaria lugubrosa |
3 |
| western pine beetle |
Dendroctonus brevicomis |
9 |
| western pineshoot borer |
Eucosma sonomana |
6 |
| western poplar clearwing |
Paranthrene robiniae |
1 |
| western spruce budworm |
Choristoneura freemani |
28 |
| western tent caterpillar |
Malacosoma californicum |
14 |
| white apple leafhopper |
Typhlocyba pomaria |
1 |
| white fir |
Abies concolor |
3 |
| white fir needleminer |
Epinotia meritana |
4 |
| white flannel moth |
Norape ovina |
1 |
| white oak borer |
Goes tigrinus |
1 |
| white pine cone beetle |
Conophthorus coniperda |
4 |
| white pine cone borer |
Eucosma tocullionana |
5 |
| white pine weevil |
Pissodes strobi |
68 |
| white satin moth |
Leucoma salicis |
1 |
| white-tailed deer |
Odocoileus virginianus |
9 |
| whiteflies |
|
1 |
| whitefly |
Aleuroglandulus malangae |
1 |
| whitefringed beetle |
Naupactus peregrinus |
2 |
| whitefringed beetles |
Naupactus spp. |
2 |
| whitespotted sawyer |
Monochamus scutellatus |
1 |
| willow leaf gall mite |
Aculops tetanothrix |
1 |
| willow sawfly |
Nematus ventralis |
1 |
| willow scale |
Diaspidiotus gigas |
1 |
| willow shoot sawfly |
Janus abbreviatus |
2 |
| wind |
|
61 |
| witches' broom |
|
1 |
| witchweed |
Striga spp. |
2 |
| wood borers |
|
2 |
| woodpeckers |
|
11 |
| wool sower gall maker |
Callirhytis seminator |
5 |
| woolly apple aphid |
Eriosoma lanigerum |
4 |
| woolly elm aphid |
Eriosoma americanum |
6 |
| woolly pine scale |
Pseudophilippia quaintancii |
5 |
| yellow poplar weevil |
Odontopus calceatus |
22 |
| yellow star thistle gall fly |
Urophora sirunaseva |
1 |
| yellow starthistle hairy weevil |
Eustenopus villosus |
1 |
| yellow woollybear |
Spilosoma virginica |
2 |
| yellow-bellied sapsucker |
Sphyrapicus varius |
2 |
| yellow-bellied sapsucker |
Sphyrapicus varius varius |
4 |
| yellowheaded spruce sawfly |
Pikonema alaskensis |
4 |
| yellowjacket |
Vespula spp. |
1 |
| yellownecked caterpillar |
Datana ministra |
1 |
| Zimmerman pine moth |
Dioryctria zimmermani |
5 |
