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Photo of an alderfly larva among rocks and gravel in an aquarium.

Alderfly Larvae

Sialis spp.

Photo of a spotted fishing spider perched on the water's surface amid floating duckweed plants

Aquatic Spiders

Dolomedes spp., Tetragnatha spp., and others

Photo of caddisfly larva with case made of detritus

Caddisfly Larvae

Various species in the order Trichoptera

Photo of crane fly larva

Crane Fly Larvae

There are over 500 species of crane flies in North America.

Photo of a damselfly nymph on rocks in an aquarium.

Damselfly Larvae

Species in the suborder Zygoptera

Photo of a dragonfly larva resting on a stone.

Dragonfly Larvae

Species in the suborder Anisoptera

Photo of a midge fly larva crawling on a rock in an aquarium

Midge Fly Larvae

Nearly 1,100 species in North America

Photograph of several mosquito larvae resting at water surface

Mosquito Larvae

There are about 50 species of mosquitoes in our state.

Photo of a water boatman

Water Boatmen

About 125 species in North America in the family Corixidae