Giant Willow Aphids

Here are images of the giant willow aphid. There are truly large aphids! Specimens collected by Norma Ruiz, Sonora, Tuolumne county, California, 20 March 2015. Click on an image to enlarge it.

Giant willow aphid adult
Giant willow aphid adult
Giant willow aphid
Giant willow aphid
Giant willow aphid nymph
Giant willow aphid nymph
Giant Willow Aphid -head
Giant Willow Aphid -head
Giant Willow Aphid
Giant Willow Aphid