Emergence holes and blisters.jpg

Oval-shaped exit holes. 5-10mm in length and running in line with the grain of the timber, where the adult beetle has emerged at the end of its larvae phase. Frass can sometimes be found under the exit hole.
Oval-shaped exit holes. 5-10mm in length and running in line with the grain of the timber, where the adult beetle has emerged at the end of its larvae phase. Frass can sometimes be found under the exit hole.