Western Stone vs American Dustywing

Side-by-side species comparison

Attribute Western Stone American Dustywing
Scientific Name Doroneuria baumanni Conwentzia californica
Order Plecoptera Neuroptera
Family Perlidae Coniopterygidae
Size 25-35 mm 3-5 mm wingspan
Habitat Mountains Gardens
Diet Predators Predators
Regions North America Western North America
Conservation Least Concern Least Concern

Western Stone

A large predatory stonefly of Pacific Northwest mountain streams. Nymphs have distinctive patterned heads and powerful mandibles.

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Did You Know?

Nymphs take up to three years to complete development in cold mountain streams.

American Dustywing

A tiny western North American dustywing found on fruit trees and ornamental plants. Valued as a natural mite predator in orchards.

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Did You Know?

Citrus growers consider it one of the most important natural enemies of citrus red mite.