spotted knapweed root boring
knapweed plants] [larvae
and pupa] [insectory
To Monitor Release Sites]
Photo by WHS student Ryan Houtzel. 8/00.
From Whitehall insectaries.
Photo by T. Breitenfeldt. 9/00.
Most weevils from the WHS insectary are a bit over 1 cm in length.
However, some are small like this one on the right. The one on the
left is "large average." Photo by Ryan Houtzel.
weevils collected in the WHS insectaries 9/00. Photo
by Ryan Houtzel.