Pleotomus pallens

Pleotomus pallens · Order: Coleoptera · Family: Lampyridae

No source yet on danger. We have no source yet on whether it bites, stings or damages anything.
Pleotomus pallens
Photo: Cody Stricker, CC BY

Female Pleotomus pallens fireflies shine brighter than males, but their glow fades after they lay eggs and then they die. This species lives in both Central America and North America.

Source: Wikipedia

How to recognize it

Females emit a brighter light than males, and the light decreases after they lay eggs; the female then dies.

Source: Wikipedia

Where it comes from

Its native range includes Central America and North America.

Source: Wikipedia

Where it is found in the US

Recorded in 5 of 51 states and DC. Most records: Texas, Oklahoma, New Mexico, Kansas, Tennessee.

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

Source: GBIF

Months it is reported in the US

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Source: GBIF

More photos

Questions people ask

How does the female's light change after she lays eggs?

The female’s light becomes dimmer after she lays eggs, and she dies afterward.

Source: Wikipedia

Where can I find Pleotomus pallens?

It occurs in Central America and North America.

Source: Wikipedia

Same family (Lampyridae)

Sources

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

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

Text written 2026-10-26 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-26.

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.