Bat Earwig vs Lesser Earwig

Side-by-side species comparison

Attribute Bat Earwig Lesser Earwig
Scientific Name Arixenia esau Labia minor
Order Dermaptera Dermaptera
Family Arixeniidae Spongiphoridae
Size 15-25 mm 5-7 mm
Habitat Caves Gardens
Diet Omnivores Omnivores
Regions Southeast Asia, Borneo, Philippines Europe, North America, Asia
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.

Lesser Earwig

The smallest European earwig and one of the few that readily flies. It is often found in compost heaps and manure piles where it feeds on fly larvae.

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Did You Know?

Despite its tiny size, this earwig is one of the best fliers in the order and is regularly attracted to artificial lights.