Brown-belted Bumble Bee

Bombus griseocollis · Order: Hymenoptera · Family: Apidae

Also called: Brown-belted Bumblebee

No source yet on danger. We have no source yet on whether it bites, stings or damages anything.
Brown-belted Bumble Bee
Photo: unknown, CC0

The queen is about 2.1 to 2.3 cm long and a centimetre wide at the abdomen, while workers are often under a centimetre long. It lives in many habitats, from meadows and wetlands to farms and cities, across most of the United States and southern Canada.

Source: Wikipedia

Size

Queens measure 2.1 to 2.3 cm long and about 1 cm wide at the abdomen. Workers are smaller, often less than 1 cm in length.

Source: Wikipedia

Where it lives

It can be found in meadows, wetlands, agricultural fields, and even densely populated urban areas.

Source: Wikipedia

What it eats

Adults feed on a wide variety of plants, including milkweeds, clovers, goldenrods, and many others. Queens especially prefer legume flowers.

Source: Wikipedia

Life cycle

Eggs are white, robust, slightly curved, about 2.9 mm long and 0.8 to 1.0 mm wide. The species is eusocial, forming colonies with reproductive and non-reproductive castes.

Source: Wikipedia

When you see it

Males wait in places where young queens pass to mate with them. It is a common species throughout its broad range.

Source: Wikipedia

Where it comes from

Native to most of the United States except the Southwest, and to the southern parts of several Canadian provinces.

Source: Wikipedia

Where it is found in the US

Recorded in 49 of 51 states and DC. Most records: Minnesota, Illinois, Missouri, Ohio, New York, Nebraska, Wisconsin, Massachusetts.

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

Source: GBIF

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

Months it is reported in the US

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Source: GBIF

More photos

Same family (Apidae)

Sources

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

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

Text written 2026-10-22 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-22.

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.