gerrid sp.

Water striders are in the family Gerridae. Both the nymph and adult are predators of insects that fall or settle on the water surface. This one was placed in an aquarium and fed a fly.

Order: Hemiptera
Family: Gerridae
Species: probably Gerris sp.

Photograph: © 2016 RKD Peterson
Date of Photograph: 18 August 2016
Location: Montana, Gallatin Co.