WY CAPS Program
University of Wyoming
Dept. Ecosystem Science & Management: 3354
1000 East University Ave.
Laramie, WY 82071
Phone: (307)766-5278
Email: caps@uwyo.edu
Photo by Steven Valley, Oregon Dept. of Agriculture, Bugwood.org
The Sirex woodwasp (Sirex noctilio) is a pest of pine trees. Mature females lay eggs, fungi, and toxic mucus under the
bark of a host tree, which often causes tree death. Surveys are conducted because
of the presence of potential host material in Wyoming, the non-port appearances of
this pest around the country, and potential for significant harm to pine. It has been
found in the US. To date, it has not been found in Wyoming.
The Sirex woodwasp Survey is conducted by the Animal and Plant Health Inspection Service,
Plant Protection and Quarantine. A Lindgren funnel trap with host attractant is placed
on or near the host plant from May until September. If suspects are found they are
sent to a state entomologist for further identification.
WY CAPS Program
University of Wyoming
Dept. Ecosystem Science & Management: 3354
1000 East University Ave.
Laramie, WY 82071
Phone: (307)766-5278
Email: caps@uwyo.edu