Snyder's Zorapteran vs Ross's Alpine

Side-by-side species comparison

Attribute Snyder's Zorapteran Ross's Alpine
Scientific Name Zorotypus snyderi Erebia rossii
Order Zoraptera Lepidoptera
Family Zorotypidae Nymphalidae
Size 2-3 mm 34-42 mm wingspan
Habitat Woodlands Tundra & Arctic
Diet Omnivores Omnivores
Regions Southeastern United States Arctic Alaska, northern Canada, Yukon Territory
Conservation Least Concern Least Concern

Snyder's Zorapteran

A minute gregarious insect living in small colonies in rotting logs. Wingless forms are blind and pale, while winged forms have eyes and darker coloration.

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Did You Know?

Winged zorapterans deliberately break off their own wings after finding a suitable colony site.

Ross's Alpine

A dark brown butterfly with small reddish-orange eye spots on the forewings. Its cryptic coloration allows it to blend with dark tundra soils and rocks. It has a slow, bobbing flight pattern close to the ground.

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Did You Know?

Named after the Arctic explorer Sir James Clark Ross, this butterfly takes two full years to develop from egg to adult.