Search Results - Field Guide

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Photo of a stonefly naiad clinging to a rock underwater
Stonefly Larvae
There are hundreds of species in North America
Stonefly larvae are aquatic and somewhat resemble the larvae of mayflies and damselflies. Their presence usually indicates good water quality.
Photograph of several mosquito larvae resting at water surface
Mosquito Larvae
There are about 50 species of mosquitoes in our state.
The larvae of mosquitoes, often called “wrigglers,” have a large head and thorax and a narrow, wormlike abdomen; they typically hang just below the water surface. When disturbed, they wriggle downward.
Water springtails congregate in water above soggy dead leaves
Water Springtail
Podura aquatica
In early spring, clusters of water springtails float on the surface of quiet waters, on muddy banks, and on protruding objects. Adults are bluish gray with reddish appendages.