Loke T. Kok Virginia Polytechnic Institute and State University |
basal rosette |
Loke T. Kok Virginia Polytechnic Institute and State University |
in bloom |
Loke T. Kok Virginia Polytechnic Institute and State University |
|
Loke T. Kok Virginia Polytechnic Institute and State University |
on thistle head |
Loke T. Kok Virginia Polytechnic Institute and State University |
feeding on receptacle of thistle head |
Loke T. Kok Virginia Polytechnic Institute and State University |
tufts of hair rising from infested thistle head |
Loke T. Kok Virginia Polytechnic Institute and State University |
|
Loke T. Kok Virginia Polytechnic Institute and State University |
thistle head showing pupation chambers |
Loke T. Kok Virginia Polytechnic Institute and State University |
site before release |
Loke T. Kok Virginia Polytechnic Institute and State University |
site five years after release |