Aquatic Insect Interactive Verification Program

Family: Libellulidae

Skimmer Dragonflies

These photos supplement pages 67-73 of the Guide to Aquatic Invertebrates of the Upper Midwest. Information on the biology of Libelluidae can be found on page 69. The Libelluidae labium has small rounded, regularly spaced teeth (below), while Cordulegastridae has large irregular teeth. Click to compare with Cordulegastridae.

Libelluidae

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Lateral view of labium Ventral view of labium Young Libelluidae

Chironomidae Research Group