1. UC IPM
Frass and boring dust coming out of the entrance/exit hole caused by invasive shothole borers, <i>Euwallacea fornicatus</i>, attacks on a box elder tree.
Frass and boring dust coming out of the entrance/exit hole caused by invasive shothole borers, Euwallacea fornicatus, attacks on a box elder tree.
Credit: Akif Eskalen, UC Davis