Gomphus externus (Plains Clubtail)
Total length = 57mmmaleThe Plains Clubtail has a yellow streak down its abdomen, yellow bars down its thorax, and a yellow face. They grow to 2 1/4 inches long.This species inhabits rivers and streams. They are active from May through July; although they are uncommon.
Collection of the Illinois State MuseumPhotographed by Dr. Everett Cashatt
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