Uncompahgre Fritillary Butterfly vs Lake Stonefly

Side-by-side species comparison

Attribute Uncompahgre Fritillary Butterfly Lake Stonefly
Scientific Name Boloria acrocnema Megaleuctra complicata
Order Lepidoptera Plecoptera
Family Nymphalidae Leuctridae
Size 3-4 cm wingspan 8-14 mm
Habitat Mountains Mountains
Diet Herbivores Detritivores
Regions United States North America
Conservation Endangered Near Threatened

Uncompahgre Fritillary Butterfly

A small alpine butterfly found only above 3900 m in the San Juan Mountains of Colorado. It was not discovered until 1978.

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Did You Know?

Climate change is pushing its alpine habitat ever higher, leaving it with nowhere to go.

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.