Cyphocleonus achates
spotted knapweed root boring weevil.
[damaged knapweed plants]  [larvae and pupa] [insectory rearing] [How 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.