Genus
Choristoneura
Choristoneura rosaceana. Photo: (c) allenwoodliffe, some rights reserved (CC BY-NC)
Spruce budworms and relatives are a group of closely related insects in the genus Choristoneura. Most are serious pests of conifers. There are nearly forty Choristoneura species, and even more subspecies, or forms, with a complexity of variation among populations found throughout much of the United States and Canada, and about again this number in Eurasia.
CLICK TO MANAGE