Texas Milkweed Beetle

Tetraopes texanus · Order: Coleoptera · Family: Cerambycidae

No source yet on danger. We have no source yet on whether it bites, stings or damages anything.
Texas Milkweed Beetle
Photo: Sam Kieschnick, CC BY

The Texas milkweed beetle lives on calcareous grassland soils in northern Mexico and the United States. It feeds on several milkweed species, and adults are most common from early May through June, with only a few remaining later in summer.

Source: Wikipedia

Where it lives

They are found on calcareous grassland soils.

Source: Wikipedia

What it eats

Adults and larvae feed on milkweed species such as green milkweed, greenflower milkweed, and common milkweed.

Source: Wikipedia

Life cycle

Adults emerge in early May and are active through June. Females lay eggs in grass stems; the hatched larvae drop to the soil and eat milkweed roots.

Source: Wikipedia

When you see it

A few adults may still be seen later in the summer, but they are scarce.

Source: Wikipedia

Where it comes from

They occur in northern Mexico and the United States.

Source: Wikipedia

Where it is found in the US

Recorded in 8 of 51 states and DC. Most records: Texas, Oklahoma, Mississippi, Alabama, Arkansas, Kansas, Missouri, New Mexico.

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

Source: GBIF

Status: native in North America; native in United States. Source: iNaturalist

Months it is reported in the US

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Source: GBIF

More photos

Questions people ask

When do Texas milkweed beetles appear?

Adults come out in early May and are most common through June, with only a few individuals later in the summer.

Source: Wikipedia

What plants do Texas milkweed beetles use?

They feed on several milkweed species, including green milkweed, greenflower milkweed, and common milkweed.

Source: Wikipedia

Same family (Cerambycidae)

Sources

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

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

Text written 2026-10-25 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-25.

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.