Bat Earwig vs Melissa Arctic

Side-by-side species comparison

Attribute Bat Earwig Melissa Arctic
Scientific Name Arixenia esau Oeneis melissa
Order Dermaptera Lepidoptera
Family Arixeniidae Nymphalidae
Size 15-25 mm 40-50 mm wingspan
Habitat Caves Mountains
Diet Omnivores Omnivores
Regions Southeast Asia, Borneo, Philippines Arctic and subarctic North America, Rocky Mountain alpine zones
Conservation Data Deficient Least Concern

Bat Earwig

A remarkable wingless earwig that lives exclusively in bat caves, clinging to the bodies and roosting areas of naked bulldog bats. It has reduced eyes and modified forceps.

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Did You Know?

Arixeniidae and Hemimeridae are the only earwig families that are viviparous, giving birth to live young.

Melissa Arctic

A gray-brown butterfly with subtle orange patches and small blind eyespots. The hindwing underside features dark, bark-like striations for camouflage. It has an erratic, bouncing flight that makes it hard to track.

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Did You Know?

Populations on isolated mountain peaks are considered glacial relicts, stranded since the last Ice Age when the tundra receded northward.