Western Brown Colaspis Leaf Beetle

Colaspis hesperia · Order: Coleoptera · Family: Chrysomelidae

No source yet on danger. We have no source yet on whether it bites, stings or damages anything.
Western Brown Colaspis Leaf Beetle
Photo: CK2AZ, CC BY

The Western Brown Colaspis Leaf Beetle is a North-American leaf beetle. It occurs from Arizona eastward to Texas and south into Mexico. It is closely related to the beetle Colaspis brunnea.

Source: Wikipedia

Where it lives

Its range extends from Arizona to Texas and down into Mexico.

Source: Wikipedia

Where it comes from

Colaspis hesperia is native to North America.

Source: Wikipedia

Lookalikes

It is closely related to, and may be confused with, Colaspis brunnea.

Source: Wikipedia

Where it is found in the US

Recorded in 5 of 51 states and DC. Most records: Arizona, New Mexico, Texas, Louisiana, New Jersey.

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

What beetle is Colaspis hesperia similar to?

It is closely related to the beetle Colaspis brunnea.

Source: Wikipedia

Where is the Western Brown Colaspis Leaf Beetle found?

It lives from Arizona east to Texas and south into Mexico.

Source: Wikipedia

Same family (Chrysomelidae)

Sources

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

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

Text written 2026-10-28 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-28.

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.