Lesser Earwig

Labia minor · Order: Dermaptera · Family: Spongiphoridae

No source yet on danger. We have no source yet on whether it bites, stings or damages anything.
Lesser Earwig
Photo: Crystella, CC BY

The lesser earwig is a small, chocolate-brown insect about 4 to 7 mm long. It lives in warm spots like active compost heaps and feeds on decaying plant material.

Source: Wikipedia

How to recognize it

Its body is chocolate brown, less shiny than the common earwig, and covered with fine yellow hairs; the antennae are paler.

Source: Wikipedia

Size

Adults measure 4 to 7 mm from head to the tip of the pincers.

Source: Wikipedia

Where it lives

It is found worldwide in temperate regions, preferring warm places such as active compost heaps.

Source: Wikipedia

What it eats

It eats decaying plant matter and other detritus.

Source: Wikipedia

Life cycle

Females care for their eggs and newly hatched young for one to two weeks, feeding them directly.

Source: Wikipedia

Where it comes from

The species is widespread in temperate zones globally, but its native status in North America is uncertain.

Source: Wikipedia

Lookalikes

Unlike the common earwig, the lesser earwig flies frequently.

Source: Wikipedia

Where it is found in the US

Recorded in 42 of 51 states and DC. Most records: Texas, Michigan, New York, Virginia, Illinois, Kansas, Alabama, Maryland.

Darker = more records. Counts are museum and citizen-science records, not population size.

Source: GBIF

Status: introduced in Canada. Source: iNaturalist

Months it is reported in the US

JFMAMJJASOND

Source: GBIF

More photos

Questions people ask

How can I tell a lesser earwig from a common earwig?

The lesser earwig is smaller (4 to 7 mm), chocolate brown and less shiny, with fine yellow hairs and paler antennae, and it flies more often.

Source: Wikipedia

Where might I find a lesser earwig in my garden?

Look in warm, moist spots such as active compost heaps or other decaying organic material.

Source: Wikipedia

Sources

  • Wikipedia: https://en.wikipedia.org/wiki/Labia_minor

Look it up elsewhere: GBIF · iNaturalist · BugGuide · ITIS · Wikipedia

Text written 2026-10-23 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-23.

How this page works

This is one bug's fact sheet. The colored box at the top says whether it is dangerous. Sections below cover how to recognize it, whether it is a pest, and how to deal with it. The US map shows which states have records; tap a state to see other bugs there.

Every fact on Bug FAQ comes from a named source (university extension sites, government agencies, GBIF, iNaturalist, Wikipedia). The source is linked next to each section. If we have no source for something, we leave it out.