|Two adult Pissodes strobi|
W. D. Peck, 1817
Pissodes strobi, known as the white pine weevil or Engelmann spruce weevil, is the primary weevil attacking and destroying white pines. It was described in 1817 by William Dandridge Peck, professor of natural history and botany at Harvard University. The weevil is dark brown with white spots and is native to North America.
Damage to white spruce and white pine
A study showed that the resin (sap) released from wounds in white spruce leaders (tips) susceptible to the white pine weevil showed a different terpenoid composition that wounds induced in resistant white pine leaders. (Tomlin et al. 2000).
- "Forest Pest Insects in North America: a Photographic Guide -White pine weevil". Retrieved 2018-06-25.
- Kiss, G.K. 1989. Genetic improvement of white and Engelmann spruce. p. 132 in Magnussen, S.; Boyle, T.J.B. (Eds.). Proc. Part 1, 22nd Meet. Can. Tree Improv. Assoc., Edmonton AB, Aug. 1989.
- Tomlin, E.S.; Antonejevic, E.; Alfaro, R.I.; Borden, J.H. 2000. Changes in volatile terpene and diterpene resin acid composition of resistant and susceptible white spruce leaders exposed to simulated white pine weevil damage. Tree Physiol. 20:1087–1095.