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eurasian watermilfoil biological control


7 Images
0002001
Robert L. Johnson
Cornell University

a submersed aquatic plant at Cornell University Research Ponds

0002002
Robert L. Johnson
Cornell University

dense canopy on surface at Cayuga Lake

0002003
Robert L. Johnson
Cornell University

male at Cornell University Research Ponds

0002004
Robert L. Johnson
Cornell University

wingless female and eggs at Cornell University Research Ponds

0002005
Robert L. Johnson
Cornell University

winged female underwater in egg laying position at Cornell University Research Ponds

0002006
Robert L. Johnson
Cornell University

near adult feeding scars at Cornell University Research Ponds

0002007
Robert L. Johnson
Cornell University

in stem nearing pupation at Cornell University Research Ponds