Cooley Spruce Gall Aphid

Homoptera: Phylloxeridae Adelges cooleyi (Gillette)
 

gall galls 1 galls 2 infested needles 1
Gall
Engelmann spruce		 Gall Gall
Engelmann spruce		 Infested needles
Douglas-fir
infested needles 2 infested needles 3
Infested needles
Douglas-fir		 Infested needles
Douglas-fir
Gifford-Pinchot NF, WA
May 1995
E.A. Willhite

This webpage was reformatted on May 27, 2008.