1. UC IPM
Larva of pissodes weevil, <i>Pissodes pini</i>, and its frass (excrement) and tunneling beneath bark, exposed.
Larva of pissodes weevil, Pissodes pini, and its frass (excrement) and tunneling beneath bark, exposed.
Credit: Milan Zubrik, Forest Research Institute - Slovakia, Bugwood.org