Saint Helena Earwig vs Bat Earwig

Side-by-side species comparison

Attribute Saint Helena Earwig Bat Earwig
Scientific Name Labidura herculeana Arixenia esau
Order Dermaptera Dermaptera
Family Labiduridae Arixeniidae
Size 78 mm 15-25 mm
Habitat Underground Caves
Diet Omnivores Omnivores
Regions Africa Southeast Asia, Borneo, Philippines
Conservation Extinct Data Deficient

Saint Helena Earwig

Was the worlds largest earwig at 78 mm. Endemic to Saint Helena island. Not seen since 1967 and declared extinct in 2014 due to habitat destruction and invasive species.

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Did You Know?

The Saint Helena giant earwig — the worlds largest earwig at 78 mm — went extinct without most people knowing it existed. It was last seen alive in 1967.

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.