Pine weeping from Sirex noctilio oviposition holes in trunk. Photo provided by: Dennis Haugen, Bugwood.org

Sirex noctilio emergence holes. Photo provided by: Dennis Haugen, Bugwood.org

Sirex noctilio larva. Photo provided by: Dennis Haugen, Bugwood.org

Male Sirex noctilio adult. Photo provided by: David R. Lance, USDA APHIS PPQ, Bugwood.org

Female Sirex noctilio adult. Photo provided by: Stanislaw Kinelski, Bugwood.org

Sirex noctilio females often die when ovipositing into the tree. Photo provided by: Paula Klasmer, Instituto Nacional de Tecnologia Agropecuaria, Bugwood.org

Winter injury on pine (dessication). Photo found at: http://ppp.missouri.edu/newsletters/meg/archives/v7n1/desicpflex.jpg and photo by: Chris Starbuck.