THE XERCES SOCIETY FOR INVERTEBRATE CONSERVATION

Aquatic Invertebrates in Pacific Northwest Freshwater Wetlands
An Identification Guide and Educational Resource

Calopterygidae
(Jewelwings)
First antennal segment is very long; body, legs, and plates at the end of the abdomen are long and thin; the middle of the labium has a deep notch with two prominent lobes; the middle plate at the tip of the abdomen is shorter than the two outer plates.