Insect Profiles: Cooley Spruce Gall Adelgid (Adelges cooleyi)
Introduction Cooley spruce gall adelgis (Adelges cooleyi) is a small black insect native to North America. The insect causes the formation of galls on several spruce trees, as well as…
Introduction Cooley spruce gall adelgis (Adelges cooleyi) is a small black insect native to North America. The insect causes the formation of galls on several spruce trees, as well as…