| 0024027 |
Canada thistle stem gall fly |
Urophora cardui |
in gall |
| 0022039 |
Russian knapweed |
Rhaponticum repens |
|
| 1116084 |
leafy spurge |
Euphorbia esula |
|
| 0024038 |
musk thistle head weevil |
Rhinocyllus conicus |
examining infested seed heads for larvae |
| 0021035 |
spotted knapweed |
Centaurea stoebe ssp. micranthos |
Field 20 miles east of Missoula |
| 0021037 |
spotted knapweed |
Centaurea stoebe ssp. micranthos |
Field 20 miles east of Missoula |
| 0021059 |
bronze knapweed root borer |
Sphenoptera jugoslavica |
in root |
| 0025065 |
copper leafy spurge flea beetle |
Aphthona flava |
|
| 0025053 |
common St. Johnswort |
Hypericum perforatum |
research site near |
| 0022003 |
sulfur knapweed root moth |
Agapeta zoegana |
in root |
| 1116085 |
leafy spurge |
Euphorbia esula |
|
| 0021057 |
bronze knapweed root borer |
Sphenoptera jugoslavica |
|
| 0023079 |
thistle crown weevil |
Trichosirocalus horridus |
|
| 0021033 |
diffuse knapweed |
Centaurea diffusa |
|
| 0021050 |
banded gall fly |
Urophora affinis |
on leaf |
| 0025004 |
spurge hawkmoth |
Hyles euphorbiae |
|
| 0025096 |
Scotch thistle |
Onopordum acanthium |
|
| 0023020 |
St. John's Wort Inchworm |
Aplocera plagiata |
|
| 0021031 |
diffuse knapweed |
Centaurea diffusa |
|
| 0025066 |
copper leafy spurge flea beetle |
Aphthona flava |
|
| 0024023 |
Canada thistle stem mining weevil |
Ceutorhynchus litura |
feeding in stem |
| 0025056 |
klamathweed beetle |
Chrysolina quadrigemina |
mating on stems |
| 0023074 |
musk thistle head weevil |
Rhinocyllus conicus |
on leaves |
| 0023076 |
musk thistle head weevil |
Rhinocyllus conicus |
in the flower head |
| 0023031 |
St. John's wart midge |
Zeuxidiplosis giardi |
Galls on plant |
| 0023015 |
St. John's wort beetle |
Agrilus hyperici |
|
| 0023016 |
St. John's wort beetle |
Agrilus hyperici |
in root |
| 0023024 |
St. Johnswort beetle |
Chrysolina hyperici |
on flower |
| 0023041 |
St. John's Wort Inchworm |
Aplocera plagiata |
|
| 0024037 |
musk thistle |
Carduus nutans |
|
| 0024024 |
Canada thistle stem mining weevil |
Ceutorhynchus litura |
larvae feeding in stem |
| 0023086 |
brown dot leafy spurge flea beetle |
Aphthona cyparissiae |
|
| 0024036 |
musk thistle |
Carduus nutans |
|
| 0022041 |
Russian knapweed |
Rhaponticum repens |
|
| 0025090 |
copper leafy spurge flea beetle |
Aphthona flava |
|
| 0025022 |
musk thistle |
Carduus nutans |
|
| 0025095 |
Scotch thistle |
Onopordum acanthium |
|
| 0026011 |
musk thistle |
Carduus nutans |
|
| 0024072 |
common St. Johnswort |
Hypericum perforatum |
tallest plant found in old USSR |
| 0025073 |
black dot spurge flea beetle |
Aphthona nigriscutis |
|
| 0025070 |
black dot spurge flea beetle |
Aphthona nigriscutis |
|
| 0025046 |
black dot spurge flea beetle |
Aphthona nigriscutis |
|
| 0025045 |
black dot spurge flea beetle |
Aphthona nigriscutis |
|
| 0025003 |
spurge hawkmoth |
Hyles euphorbiae |
|
| 0024025 |
Canada thistle stem gall fly |
Urophora cardui |
|
| 0025041 |
Canada thistle stem mining weevil |
Ceutorhynchus litura |
|
| 0025011 |
St. John's wart midge |
Zeuxidiplosis giardi |
galls containing larvae |
| 0025029 |
musk thistle head weevil |
Rhinocyllus conicus |
encased eggs on the back of a flower head |
| 0024055 |
musk thistle |
Carduus nutans |
over grazed pasture with excessive plants |
| 0025042 |
purple loosestrife |
Lythrum salicaria |
|
| 0024056 |
American bison |
Bison bison |
grazing |
| 0024081 |
field bindweed |
Convolvulus arvensis |
15 miles east of Melville |
| 0025030 |
musk thistle head weevil |
Rhinocyllus conicus |
in the flower head |
| 0022029 |
bronze knapweed root borer |
Sphenoptera jugoslavica |
on seed head |
| 0023009 |
common St. Johnswort |
Hypericum perforatum |
|
| 0024026 |
Canada thistle stem gall fly |
Urophora cardui |
gall in stem |
| 0025031 |
musk thistle head weevil |
Rhinocyllus conicus |
in the stem |
| 0026012 |
musk thistle |
Carduus nutans |
|
| 0026010 |
musk thistle |
Carduus nutans |
|
| 0022028 |
bronze knapweed root borer |
Sphenoptera jugoslavica |
|
| 0023026 |
St. Johnswort beetle |
Chrysolina hyperici |
feeding on plant |
| 0023022 |
St. John's Wort Inchworm |
Aplocera plagiata |
|
| 0021058 |
bronze knapweed root borer |
Sphenoptera jugoslavica |
on flower |
| 0022038 |
Russian knapweed |
Rhaponticum repens |
|
| 0021046 |
knapweed seedhead moth |
Metzneria paucipunctella |
on stem |
| 0021002 |
field bindweed |
Convolvulus arvensis |
taken 15 mile east of Melville, Montana |
| 0025008 |
leafy spurge gall midge |
Spurgia esulae |
|
| 0024022 |
Canada thistle stem mining weevil |
Ceutorhynchus litura |
|
| 0025005 |
spurge hawkmoth |
Hyles euphorbiae |
|
| 0025019 |
St. John's wort beetle |
Agrilus hyperici |
|
| 0025006 |
leafy spurge stem boring beetle |
Oberea erythrocephala |
|
| 0023025 |
St. Johnswort beetle |
Chrysolina hyperici |
on leaf |
| 0021092 |
purple loosestrife |
Lythrum salicaria |
|
| 0023075 |
musk thistle head weevil |
Rhinocyllus conicus |
encased eggs on the back of a flower head |
| 0025009 |
leafy spurge gall midge |
Spurgia esulae |
gall containing larvae and pupae |
| 0025033 |
musk thistle |
Carduus nutans |
in full bloom |
| 0025050 |
horned spurge |
Euphorbia brachycera |
collected for host specificity testing |
| 0024070 |
common St. Johnswort |
Hypericum perforatum |
Mature plant |
| 1116083 |
leafy spurge |
Euphorbia esula |
|
| 0025092 |
Scotch thistle |
Onopordum acanthium |
|
| 0021034 |
spotted knapweed |
Centaurea stoebe ssp. micranthos |
|
| 0025027 |
musk thistle |
Carduus nutans |
|
| 0025049 |
leafy spurge |
Euphorbia esula |
young plant |
| 0024067 |
musk thistle |
Carduus nutans |
from a single seed head |
| 0024054 |
musk thistle |
Carduus nutans |
in pasture |
| 0024021 |
Canada thistle |
Cirsium arvense |
|
| 0024065 |
purple loosestrife |
Lythrum salicaria |
|
| 0024050 |
musk thistle |
Carduus nutans |
|
| 0022074 |
purple loosestrife |
Lythrum salicaria |
|
| 0021001 |
field bindweed |
Convolvulus arvensis |
|
| 0024053 |
musk thistle |
Carduus nutans |
|
| 0025093 |
Scotch thistle |
Onopordum acanthium |
|
| 0025094 |
Scotch thistle |
Onopordum acanthium |
|
| 0026009 |
musk thistle |
Carduus nutans |
|
| 0024019 |
Canada thistle |
Cirsium arvense |
|
| 0023013 |
common St. Johnswort |
Hypericum perforatum |
|
| 0024051 |
musk thistle |
Carduus nutans |
|
| 0023082 |
leafy spurge |
Euphorbia esula |
|
| 0022037 |
Russian knapweed |
Rhaponticum repens |
|
| 0025061 |
leafy spurge |
Euphorbia esula |
seed heads |
| 0024020 |
Canada thistle |
Cirsium arvense |
research site |
| 0026013 |
musk thistle |
Carduus nutans |
|
| 0023018 |
St. John's wort beetle |
Agrilus hyperici |
After shot of test area |
| 0025007 |
leafy spurge stem boring beetle |
Oberea erythrocephala |
in root |
| 0025062 |
leafy spurge |
Euphorbia esula |
in flower |
| 0026014 |
root-boring weevil |
Hylobius transversovittatus |
a member of the "Stillwater Project" inserting eggs into stems at a research site |
| 0026015 |
stem-gall nematode |
Subanguina picridis |
research site |
| 0025087 |
black dot spurge flea beetle |
Aphthona nigriscutis |
using a sweep net to adults |
| 0025085 |
black dot spurge flea beetle |
Aphthona nigriscutis |
Release at a Pilot Project Research site |
| 0025078 |
black dot spurge flea beetle |
Aphthona nigriscutis |
release site showing this biocontrol agents effects at N- Bar ranch |
| 0025081 |
musk thistle head weevil |
Rhinocyllus conicus |
collection |
| 0025076 |
black dot spurge flea beetle |
Aphthona nigriscutis |
release site showing this biocontrol agents effects at N- Bar ranch |
| 0025077 |
black dot spurge flea beetle |
Aphthona nigriscutis |
release site showing this biocontrol agents effects at N- Bar ranch |
| 0025075 |
black dot spurge flea beetle |
Aphthona nigriscutis |
release site showing this biocontrol agents effects at N- Bar ranch |
| 0025074 |
black dot spurge flea beetle |
Aphthona nigriscutis |
release site showing this biocontrol agents effects at N- Bar ranch |
| 0025063 |
leafy spurge |
Euphorbia esula |
research site |
| 0025064 |
leafy spurge |
Euphorbia esula |
Horses running through research site |
| 0025034 |
musk thistle flower fly |
Cheilosia corydon |
at a release |
| 0024045 |
black dot spurge flea beetle |
Aphthona nigriscutis |
release |
| 0024044 |
brown dot leafy spurge flea beetle |
Aphthona cyparissiae |
research site |
| 0024043 |
musk thistle head weevil |
Rhinocyllus conicus |
examining release site |
| 0023078 |
musk thistle head weevil |
Rhinocyllus conicus |
after release |
| 0023077 |
musk thistle head weevil |
Rhinocyllus conicus |
before release |
| 0023017 |
St. John's wort beetle |
Agrilus hyperici |
Before shot of test area |
| 0021038 |
spotted knapweed |
Centaurea stoebe ssp. micranthos |
Field 20 miles east of Missoula |
| 0021036 |
spotted knapweed |
Centaurea stoebe ssp. micranthos |
Field 20 miles east of Missoula |
| 0021012 |
gorse |
Ulex europaeus |
stem |
| 0021047 |
knapweed seedhead moth |
Metzneria paucipunctella |
and pupa in seed head |
| 0021051 |
banded gall fly |
Urophora affinis |
|
| 0022043 |
stem-gall nematode |
Subanguina picridis |
(light microscope photo), biocontrol agent of Russian Knapweed |
| 0023011 |
common St. Johnswort |
Hypericum perforatum |
|
| 0021061 |
brown-winged knapweed moth |
Pterolonche inspersa |
attack knapweeds |
| 0022018 |
knapweed seedhead moth |
Metzneria paucipunctella |
on knapweed stem |
| 0022019 |
knapweed seedhead moth |
Metzneria paucipunctella |
on knapweed stem |
| 0022020 |
knapweed seedhead moth |
Metzneria paucipunctella |
on knapweed flower head |
| 0022021 |
knapweed seedhead moth |
Metzneria paucipunctella |
pupa (left) and larva (right) in knapweed sead head |
| 0022022 |
knapweed seedhead moth |
Metzneria paucipunctella |
on knapweed seed head |
| 0023019 |
St. John's Wort Inchworm |
Aplocera plagiata |
biocontrol agent of St. Johnswort |
| 0023030 |
St. John's wart midge |
Zeuxidiplosis giardi |
a biocontrol agent of St. Johnswort |
| 0023085 |
minute spurge flea beetle |
Aphthona abdominalis |
Aphthona abdominalis (left) and Aphthona cyparissiae (right), biocontrol agents of Leafy Spurge |
| 0023100 |
leafy spurge stem boring beetle |
Oberea erythrocephala |
a biocontrol agent of Leafy Spurge |
| 0024042 |
leafy spurge |
Euphorbia esula |
broken exuding latex sap. |
| 0024080 |
leafy spurge |
Euphorbia esula |
attacke by a fungus disease |
| 0025012 |
St. John's Wort Inchworm |
Aplocera plagiata |
a biocontrol agent of St. Johnswort |
| 0025010 |
leafy spurge gall midge |
Spurgia esulae |
larvae and pupae in gall |
| 0025052 |
leafy spurge |
Euphorbia esula |
studying feeding damage in host specificity study |
| 0025054 |
common St. Johnswort |
Hypericum perforatum |
light background showing through glands in the leaves of St. Johnswort |
| 0025055 |
klamathweed beetle |
Chrysolina quadrigemina |
a biological control agent of St. Johnswort displaying red underwings |
| 0025047 |
black dot spurge flea beetle |
Aphthona nigriscutis |
roots, one healthy and one damaged by larval feeding |
| 0025048 |
copper leafy spurge flea beetle |
Aphthona flava |
after shot of research site |
| 0025043 |
leafy spurge gall midge |
Spurgia esulae |
gall containing larvae and pupae |
| 0025044 |
leafy spurge gall midge |
Spurgia esulae |
opened gall containing larvae and pupae |
| 0025082 |
leafy spurge |
Euphorbia esula |
Feet with 1/10th meter daubenmeyer frame for sampling a site in the pilot program |
| 0025086 |
leafy spurge stem boring beetle |
Oberea erythrocephala |
using sweep net to collect adults |
| 0025057 |
St. John's wort beetle |
Agrilus hyperici |
in root |
| 0025058 |
common St. Johnswort |
Hypericum perforatum |
showing deep tap root |
| 0025067 |
copper leafy spurge flea beetle |
Aphthona flava |
before shot of research site |
| 0025068 |
copper leafy spurge flea beetle |
Aphthona flava |
after shot of research site |
| 0025100 |
musk thistle head weevil |
Rhinocyllus conicus |
exiting flower head |
