purple loosestrife biological control
| 9 Images |
Bernd Blossey Cornell University |
Tonawanda Wildlife Management Area |
Bernd Blossey Cornell University |
wetland dominated; Tonawanda Wildlife Management Area |
Bernd Blossey Cornell University |
mating pair |
Bernd Blossey Cornell University |
defoliated purple loosestrife plant surrounded by non-attacked jewelweed, Impatians spp. |
Bernd Blossey Cornell University |
on leaf |
Bernd Blossey Cornell University |
destroyed rootstock with frass of larva and emerging new adult |
Bernd Blossey Cornell University |
on flower-spike |
Bernd Blossey Cornell University |
infestation before release of Galerucella spp. and Hylobius transversovittatus (note cages); Tonawanda Wildlife Management Area |
Bernd Blossey Cornell University |
after control through combination of Galerucella spp. and Hylobius transversovittatus; Tonawanda Wildlife Management Area |
