| 1595303 |
Scottish broom seed weevil |
Exapion fuscirostre |
|
| 1595302 |
Scottish broom seed weevil |
Exapion fuscirostre |
|
| 1595301 |
Scottish broom seed weevil |
Exapion fuscirostre |
|
| 1595298 |
Scottish broom seed weevil |
Exapion fuscirostre |
|
| 1595294 |
Scottish broom seed weevil |
Exapion fuscirostre |
|
| 1595291 |
Scottish broom seed weevil |
Exapion fuscirostre |
|
| 1595293 |
Scottish broom seed weevil |
Exapion fuscirostre |
|
| 1595289 |
Scottish broom seed weevil |
Exapion fuscirostre |
|
| 1595290 |
Scottish broom seed weevil |
Exapion fuscirostre |
|
| 1595286 |
Scottish broom seed weevil |
Exapion fuscirostre |
|
| 1595288 |
Scottish broom seed weevil |
Exapion fuscirostre |
|
| 1595287 |
Scottish broom seed weevil |
Exapion fuscirostre |
|
| 1595284 |
Scottish broom seed weevil |
Exapion fuscirostre |
|
| 1595283 |
Scottish broom seed weevil |
Exapion fuscirostre |
|
| 1595278 |
Scottish broom seed weevil |
Exapion fuscirostre |
|
| 1595279 |
Scottish broom seed weevil |
Exapion fuscirostre |
|
| 1595280 |
Scottish broom seed weevil |
Exapion fuscirostre |
|
| 1595295 |
Scottish broom seed weevil |
Exapion fuscirostre |
|
| 1595277 |
Scottish broom seed weevil |
Exapion fuscirostre |
|
| 1595297 |
Scottish broom seed weevil |
Exapion fuscirostre |
|
| 1595296 |
Scottish broom seed weevil |
Exapion fuscirostre |
|
| 0580017 |
musk thistle head weevil |
Rhinocyllus conicus |
tufts of hair rising from infested thistle head |
| 5436223 |
musk thistle head weevil |
Rhinocyllus conicus |
flower head, note chewing damage by seed head weevil Rhinocyllus conicus. |
| 0026035 |
Canada thistle bud weevil |
Larinus planus |
to flower buds |
| 1350027 |
yellow starthistle hairy weevil |
Eustenopus villosus |
exit hole |
| 1291021 |
flower feeding weevil |
Nanophyes marmoratus |
Adult exit hole in dead flower bud |
| 0023007 |
Scottish broom seed weevil |
Exapion fuscirostre |
adult feeding damage |
| 5436200 |
musk thistle head weevil |
Rhinocyllus conicus |
oviposition sites (brown spots on flower bracts of seed head weevil (hiding) |
| 5436235 |
thistle crown weevil |
Trichosirocalus horridus |
adult feeding scars on leaf, oval windows |
| 5436236 |
thistle crown weevil |
Trichosirocalus horridus |
adult feeding scars on leaf, oval windows |
| 5436215 |
thistle crown weevil |
Trichosirocalus horridus |
attack site of crown weevil, bud is destroyed. |
| 5436216 |
thistle crown weevil |
Trichosirocalus horridus |
attack site of crown weevil, bud is destroyed. |
| 5436219 |
thistle crown weevil |
Trichosirocalus horridus |
attack site of crown weevil, bud is destroyed (dead tissue in center). Plants can produce secondary stems afterwards, but flowering is delayed. |
| 0026032 |
Canada thistle bud weevil |
Larinus planus |
|
| 5436140 |
ragwort seed fly |
Botanophila seneciella |
dark spot is initial indication of infested seed head with ragwort seed fly larva |
| 5436162 |
bull thistle gall fly |
Urophora stylata |
seed head attacked by seed head gall fly, note swollen head shape. |
| 1416045 |
toadflax seed weevil |
Rhinusa antirrhini |
Larvae feeding inside yellow toadflax seed capsules. |
| 5435701 |
lesser knapweed flower weevil |
Larinus minutus |
emergence hole of L. minutus. |
| 5435755 |
lesser knapweed flower weevil |
Larinus minutus |
plant heavily attacked by adult weevils |
| 5435756 |
lesser knapweed flower weevil |
Larinus minutus |
lightly attacked plant (L) heavily attacked plant (R) by adult seed weevils |
| 5435839 |
puncturevine seed weevil |
Microlarinus lareynii |
adult feeding scars (small white oval marks (left), unattacked stem (right) |
| 5435840 |
puncturevine seed weevil |
Microlarinus lareynii |
adult feeding scars (small white oval marks (right), unattacked stem (left) |
| 5435866 |
flower feeding weevil |
Nanophyes marmoratus |
note adult weevil emergence holes on right stem. |
| 1350063 |
lesser knapweed flower weevil |
Larinus minutus |
emergence hole |
| 5358595 |
musk thistle head weevil |
Rhinocyllus conicus |
Seedhead of musk thistle (Carduus nutans) showing damage created by the seedhead weevil, Rhinocyllus conicus, that was introduced as a biological control agent for this noxious weed. |
| 5358612 |
gall flies |
Urophora spp. |
Seedhead of diffuse knapweed (Centaurea diffusa), with a gall caused by the larva of the gall fly (Urophora sp.), a biological control agent. |
| 1350023 |
yellow starthistle hairy weevil |
Eustenopus villosus |
oviposition hole |
| 1350028 |
yellow starthistle hairy weevil |
Eustenopus villosus |
dead and bent yellow starthistle head from weevil feeding |
| 1350075 |
lesser knapweed flower weevil |
Larinus minutus |
exit holes in spotted knapweed seedheads created by adult weevils |
| 1350083 |
lesser knapweed flower weevil |
Larinus minutus |
defoliation of knapweed |
| 0023072 |
root galling weevil |
Gymnetron linariae |
larval galls on roots |
| 0021044 |
lesser knapweed flower weevil |
Larinus minutus |
Knapweed seed heads with emergence holes |
| 0022015 |
lesser knapweed flower weevil |
Larinus minutus |
knapweed seed heads with emergence holes |
| 0022017 |
blunt knapweed flower weevil |
Larinus obtusus |
knapwed seed head damage |
| 0022032 |
banded gall fly |
Urophora affinis |
seed head containing galls |
