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Gomphus vastus (Cobra Clubtail)
Total length = 52mm
male

Cobra Clubtail has a green face, light green markings on a black body, two black spots on the forewings, yellow Z-shaped streaks on the thorax, and a club tail that resembles a snake's head.

This species is found on larger rivers, streams, and lakes. Females lay eggs on the water's surface.

Collection of the Illinois State Museum
Photgraphed by Dr. Everett Cashatt

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