Male Dobsonfly

Male Dobsonfly at Sarapiqui in Costa Rica. Both male and female dobsonflies possess sharp mandibles. The mandibles of an adult male dobsonfly are generally so large and have such poor leverage that they are incapable of breaking human skin During mating males show them off and use them to grab the females during copulation. Female dobsonflies, have short, powerful pincers and can inflict painful bites on humans. As larva, they have gills which allow them to live under water..

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