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WSU Extension programs and employment are available to all without discrimination. Evidence of noncompliance may be reported through your local Extension office.

Bees: Introduction

categories: Bees Bees Intro Pollinators

revision date: 2023-03-07 12:00

Pollen on the underside of Mason bee abdomen.
Mason bee with pollen on underside of abdomen
Photo by: J. Abel

Biology

Bees in North America are grouped into six families:

1. Colletidae (Polyester Bees)
2. Andrenidae (Mining Bees)
3. Halictidae (Sweat Bees)
4. Mellitidae (Oil-Collecting Bees),
5. Megachilidae (Leafcutter and Mason Bees)
6. Apidae (Bumble, Carpenter, Honey and Other Bees).

Oil-collecting bees (Mellitidae) are rarely seen in the United States and representatives of the other five families are most likely to be seen in the Pacific Northwest. Some of the most common bees seen in Washington State home gardens are discussed in the individual fact sheets.

Chemical Management

IMPORTANT: Visit Home and Garden Fact Sheets for more information on using pesticides.

  • None recommended


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WSU Extension programs and employment are available to all without discrimination.
Evidence of noncompliance may be reported through your local Extension office.