| 0580015 |
musk thistle head weevil |
Rhinocyllus conicus |
site before release |
| 1594249 |
musk thistle head weevil |
Rhinocyllus conicus |
|
| 1594248 |
musk thistle head weevil |
Rhinocyllus conicus |
|
| 1594246 |
musk thistle head weevil |
Rhinocyllus conicus |
|
| 1594247 |
musk thistle head weevil |
Rhinocyllus conicus |
|
| 1594245 |
musk thistle head weevil |
Rhinocyllus conicus |
|
| 1594244 |
musk thistle head weevil |
Rhinocyllus conicus |
|
| 1594243 |
musk thistle head weevil |
Rhinocyllus conicus |
|
| 1594241 |
musk thistle head weevil |
Rhinocyllus conicus |
|
| 1594242 |
musk thistle head weevil |
Rhinocyllus conicus |
|
| 1594240 |
musk thistle head weevil |
Rhinocyllus conicus |
|
| 1594239 |
musk thistle head weevil |
Rhinocyllus conicus |
|
| 1594238 |
musk thistle head weevil |
Rhinocyllus conicus |
|
| 1594237 |
musk thistle head weevil |
Rhinocyllus conicus |
|
| 1594235 |
musk thistle head weevil |
Rhinocyllus conicus |
|
| 1594236 |
musk thistle head weevil |
Rhinocyllus conicus |
|
| 1594234 |
musk thistle head weevil |
Rhinocyllus conicus |
|
| 1594232 |
musk thistle head weevil |
Rhinocyllus conicus |
|
| 1594233 |
musk thistle head weevil |
Rhinocyllus conicus |
|
| 1594231 |
musk thistle head weevil |
Rhinocyllus conicus |
|
| 1594230 |
musk thistle head weevil |
Rhinocyllus conicus |
|
| 1594229 |
musk thistle head weevil |
Rhinocyllus conicus |
|
| 1594228 |
musk thistle head weevil |
Rhinocyllus conicus |
|
| 1594227 |
musk thistle head weevil |
Rhinocyllus conicus |
|
| 1594225 |
musk thistle head weevil |
Rhinocyllus conicus |
|
| 1594226 |
musk thistle head weevil |
Rhinocyllus conicus |
|
| 1594224 |
musk thistle head weevil |
Rhinocyllus conicus |
|
| 1594223 |
musk thistle head weevil |
Rhinocyllus conicus |
|
| 1594222 |
musk thistle head weevil |
Rhinocyllus conicus |
|
| 1594221 |
musk thistle head weevil |
Rhinocyllus conicus |
|
| 1594220 |
musk thistle head weevil |
Rhinocyllus conicus |
|
| 1594218 |
musk thistle head weevil |
Rhinocyllus conicus |
|
| 1594219 |
musk thistle head weevil |
Rhinocyllus conicus |
|
| 1594217 |
musk thistle head weevil |
Rhinocyllus conicus |
|
| 1594216 |
musk thistle head weevil |
Rhinocyllus conicus |
|
| 1594214 |
musk thistle head weevil |
Rhinocyllus conicus |
|
| 1594215 |
musk thistle head weevil |
Rhinocyllus conicus |
|
| 1594213 |
musk thistle head weevil |
Rhinocyllus conicus |
|
| 1594212 |
musk thistle head weevil |
Rhinocyllus conicus |
|
| 1594211 |
musk thistle head weevil |
Rhinocyllus conicus |
|
| 1594210 |
musk thistle head weevil |
Rhinocyllus conicus |
|
| 1594209 |
musk thistle head weevil |
Rhinocyllus conicus |
|
| 1594208 |
musk thistle head weevil |
Rhinocyllus conicus |
|
| 1594207 |
musk thistle head weevil |
Rhinocyllus conicus |
|
| 1594205 |
musk thistle head weevil |
Rhinocyllus conicus |
|
| 1594206 |
musk thistle head weevil |
Rhinocyllus conicus |
|
| 1594204 |
musk thistle head weevil |
Rhinocyllus conicus |
|
| 1594203 |
musk thistle head weevil |
Rhinocyllus conicus |
|
| 1594201 |
musk thistle head weevil |
Rhinocyllus conicus |
|
| 1594202 |
musk thistle head weevil |
Rhinocyllus conicus |
|
| 1594200 |
musk thistle head weevil |
Rhinocyllus conicus |
|
| 1594199 |
musk thistle head weevil |
Rhinocyllus conicus |
|
| 1594198 |
musk thistle head weevil |
Rhinocyllus conicus |
|
| 1594194 |
musk thistle head weevil |
Rhinocyllus conicus |
|
| 1594193 |
musk thistle head weevil |
Rhinocyllus conicus |
|
| 1594195 |
musk thistle head weevil |
Rhinocyllus conicus |
|
| 1594192 |
musk thistle head weevil |
Rhinocyllus conicus |
|
| 0024038 |
musk thistle head weevil |
Rhinocyllus conicus |
examining infested seed heads for larvae |
| 0580017 |
musk thistle head weevil |
Rhinocyllus conicus |
tufts of hair rising from infested thistle head |
| 0023079 |
thistle crown weevil |
Trichosirocalus horridus |
|
| 0580019 |
musk thistle head weevil |
Rhinocyllus conicus |
|
| 0025037 |
musk thistle head weevil |
Rhinocyllus conicus |
laying eggs on plant |
| 0024040 |
musk thistle flower fly |
Cheilosia corydon |
feeding damage caused by larvae |
| 0023074 |
musk thistle head weevil |
Rhinocyllus conicus |
on leaves |
| 0023076 |
musk thistle head weevil |
Rhinocyllus conicus |
in the flower head |
| 0023081 |
puccinia rust |
Puccinia carduorum |
|
| 0025028 |
musk thistle head weevil |
Rhinocyllus conicus |
on the flower head |
| 0024035 |
musk thistle head weevil |
Rhinocyllus conicus |
female laying egg |
| 0025021 |
musk thistle head weevil |
Rhinocyllus conicus |
mating |
| 0025035 |
musk thistle flower fly |
Cheilosia corydon |
|
| 0025029 |
musk thistle head weevil |
Rhinocyllus conicus |
encased eggs on the back of a flower head |
| 0025038 |
musk thistle flower fly |
Cheilosia corydon |
|
| 0025030 |
musk thistle head weevil |
Rhinocyllus conicus |
in the flower head |
| 0580014 |
musk thistle head weevil |
Rhinocyllus conicus |
feeding on receptacle of thistle head |
| 5436232 |
thistle crown weevil |
Trichosirocalus horridus |
adult weevil |
| 5436233 |
thistle crown weevil |
Trichosirocalus horridus |
larva and root-crown damage |
| 5436234 |
thistle crown weevil |
Trichosirocalus horridus |
larva and root-crown damage |
| 0580020 |
musk thistle head weevil |
Rhinocyllus conicus |
|
| 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 |
| 5436230 |
musk thistle head weevil |
Rhinocyllus conicus |
|
| 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. |
| 0025031 |
musk thistle head weevil |
Rhinocyllus conicus |
in the stem |
| 0023080 |
thistle crown weevil |
Trichosirocalus horridus |
feeding |
| 0023075 |
musk thistle head weevil |
Rhinocyllus conicus |
encased eggs on the back of a flower head |
| 0580021 |
musk thistle head weevil |
Rhinocyllus conicus |
on thistle head |
| 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. |
| 5359598 |
rusts |
|
Rust pycnia on musk thistle, Carduus nutans. |
| 5304073 |
musk thistle head weevil |
Rhinocyllus conicus |
Fecal plugs at oviposition sites |
| 0023078 |
musk thistle head weevil |
Rhinocyllus conicus |
after release |
| 0023077 |
musk thistle head weevil |
Rhinocyllus conicus |
before release |
| 0580022 |
musk thistle head weevil |
Rhinocyllus conicus |
thistle head showing pupation chambers |
| 0580018 |
musk thistle head weevil |
Rhinocyllus conicus |
site five years after release |
