| 0025080 |
toadflax capsule weevil |
Gymnetron antirrhini |
|
| 5436223 |
musk thistle head weevil |
Rhinocyllus conicus |
flower head, note chewing damage by seed head weevil Rhinocyllus conicus. |
| 5435838 |
puncturevine seed weevil |
Microlarinus lareynii |
collection of infested plants to rear out seed weevils for redistribution |
| 5435699 |
broad-nosed knapweed seedhead weevil |
Bangasternus fausti |
egg below flower head |
| 0025037 |
musk thistle head weevil |
Rhinocyllus conicus |
laying eggs on plant |
| 0022053 |
yellow starthistle bud weevil |
Bangasternus orientalis |
|
| 5436270 |
toadflax capsule weevil |
Gymnetron antirrhini |
adult weevils |
| 5436272 |
stem-boring weevil |
Mecinus janthinus |
damage to plant by adult feeding, note tip kill |
| 5436231 |
musk thistle head weevil |
Rhinocyllus conicus |
Adult weevil on stem, note feeding scars along the stem midrib. This weevil is no longer an approved biocontrol agent. |
| 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 |
|
| 0024013 |
toadflax capsule weevil |
Gymnetron antirrhini |
|
| 5435876 |
root-boring weevil |
Hylobius transversovittatus |
adult feeding can damage young tender stems, sometimes causing them to wilt. |
| 5435755 |
lesser knapweed flower weevil |
Larinus minutus |
plant heavily attacked by adult weevils |
| 5435782 |
Mediterranean sage root crown weevil |
Phrydiuchus tau |
heavy leaf damage by adult weevil feeding |
| 5435784 |
Mediterranean sage root crown weevil |
Phrydiuchus tau |
plant heavily damaged by adult weevil feeding, which does not seem to affect bolting and seed production. Major impact is caused by late fall feeding and mortality to rosettes. |