Japanese Earwig vs Bat Earwig

Side-by-side species comparison

Attribute Japanese Earwig Bat Earwig
Scientific Name Anechura harmandi Arixenia esau
Order Dermaptera Dermaptera
Family Forficulidae Arixeniidae
Size 12-18 mm 15-25 mm
Habitat Mountains Caves
Diet Herbivores Omnivores
Regions Asia Southeast Asia, Borneo, Philippines
Conservation Least Concern Data Deficient

Japanese Earwig

A montane earwig found in the mountains of Japan, known for extreme maternal care. Females guard eggs and first-instar nymphs in burrows under stones.

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Did You Know?

Japanese earwig mothers sacrifice their own bodies as food for their young — the nymphs consume the mother after she dies.

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.