Tropical Silverfish vs Bat Earwig

Side-by-side species comparison

Attribute Tropical Silverfish Bat Earwig
Scientific Name Nicoletia phytophila Arixenia esau
Order Zygentoma Dermaptera
Family Nicoletiidae Arixeniidae
Size 8-12 mm 15-25 mm
Habitat Caves Caves
Diet Detritivores Omnivores
Regions Central America, Caribbean Southeast Asia, Borneo, Philippines
Conservation Least Concern Data Deficient

Tropical Silverfish

A soil-dwelling silverfish found in tropical regions and occasionally in caves. It has a slender white body with very long cerci.

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Did You Know?

It has been recorded from caves in Belize despite being primarily a soil species.

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.