Northern spruce engraver (Ips perturbatus)
Published Web Locationhttps://doi.org/10.21425/F5FBG20797
cover: Northern spruce engraver (Ips perturbatus) gallery. Picture by Edward H. Holsten, USDA Forest Service, Bugwood.org. Image Number 0805014 (CC BY license) at Forestry Images, a source for forest health, natural resources and silviculture images. See more on the effects of bark beetle infestations through time at Jesse L. Morris’ thesis abstract in this issue of Frontiers of Biogeography.