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slender flower thistle biological control


4 Images
0580005
Loke T. Kok
Virginia Polytechnic Institute and State University

adult and eggs on thistle head

0580006
Loke T. Kok
Virginia Polytechnic Institute and State University

infested thistle leaf

0580007
Loke T. Kok
Virginia Polytechnic Institute and State University

close up of infection

0580008
Loke T. Kok
Virginia Polytechnic Institute and State University

urendiniospores and teliospores