Pigeon tremex (Horntail)
Steven Katovich, USDA Forest Service, Bugwood.org
Jeff Hahn, University of Minnesota Extension
Size: 1 - 2 inches long
Description: Cylindrically shaped; reddish brown head, reddish brown and black thorax, and a black abdomen with yellowish stripes; also has long, amber-colored wings; females possess a conspicuous ovipositor.
Where/When: Associated with declining or recently dead hardwood trees especially maple, oak, and elm, during August and September. They are occasionally found indoors during winter when associated with firewood.
Significance: Does not harm people. It is not harmful to trees nor do they infest wood if they are indoors.