Snowborn Stonefly vs River Jewelwing

Side-by-side species comparison

Attribute Snowborn Stonefly River Jewelwing
Scientific Name Capnia atra Calopteryx aequabilis
Order Plecoptera Odonata
Family Capniidae Calopterygidae
Size 4-7 mm 42-54 mm
Habitat Rivers & Streams Rivers & Streams
Diet Detritivores Omnivores
Regions North America North America
Conservation Least Concern Least Concern

Snowborn Stonefly

A tiny black stonefly that emerges during the coldest months in northern North America. Adults are frequently observed walking on snow.

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Did You Know?

It is active at temperatures near freezing, when virtually all other insects are dormant.

River Jewelwing

A North American damselfly with narrow dark wing tips in males and a metallic green body. It prefers faster-flowing rivers than the Ebony Jewelwing.

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Did You Know?

Males have dark tips on otherwise clear wings, the reverse pattern of most other jewelwings.