Lake Stonefly vs Western Glacier Stonefly

Side-by-side species comparison

Attribute Lake Stonefly Western Glacier Stonefly
Scientific Name Megaleuctra complicata Zapada glacier
Order Plecoptera Plecoptera
Family Leuctridae Nemouridae
Size 8-14 mm 5-8 mm body length
Habitat Mountains Mountains
Diet Detritivores Omnivores
Regions North America Glacier National Park, Montana
Conservation Near Threatened Endangered

Lake Stonefly

A rare stonefly found in cold mountain lake outlets and spring-fed streams.

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Did You Know?

Its restricted cold-water habitat makes it vulnerable to climate warming.

Western Glacier Stonefly

A cold-specialist stonefly found only in glacier-fed streams in Glacier National Park. It is threatened by the retreat of mountain glaciers.

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Did You Know?

It may become one of the first insects driven to extinction by climate change as glaciers disappear.