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Beekeeping & Varroa Mite

- Domesticating an insect -

Summary: Beekeepers domesticate honey bees and use these insects to pollinate agricultural crops. Honey bee hives also yield honey and beeswax. While beekeeping can be a hobby or business, fewer new businesses are starting because of problems with parasites and diseases..

Jack DeAngelis, PhD
OSU Ext. Entomologist (ret.)

Beekeeping can be either a business or a hobby. Commercial beekeepers employ honey bees to pollinate agricultural crops, often transporting hives long distances between fields or orchards. Honey is also harvested at the end of the season. Hobby beekeepers generally are interested mainly in honey production.

Besides pollination and honey, a third valuable product of all this bee labor is beeswax. Beeswax is a complex wax secreted by bees and is used to build the structure of the hive. Beeswax is used by humans to make high quality candles, cosmetics and polish. Beeswax candles burn very cleanly and won't drip or smoke as much as paraffin candles.

Beekeepers now face a number of serious pests. A strain of highly aggressive honey bee, the Africanized honey bee ("killer bees"), can take over a colony and make it practically unmanageable. And, a parasitic mite called varroa mite which can weaken and kill colonies. Anyone considering starting beekeeping should check with their local county Agricultural Extension office, or equivalent, about the status of these honey bee pests in their area.

common misspelling: bee keeping

Learn Beekeeping

Varroa mite - bee parasites

Varroa mites (below) are external honey bee parasites. They feed on the blood of both adult and larval bees but most of the injury is done to larvae (bee larvae are called brood by beekeepers).

Compared to other mites, full-size varroa mites are fairly large at 1-1.5 mm. These reddish brown mites are easy to see on white bee larvae. Untreated infestations can weaken and kill colonies and may go unnoticed unless the colony is specifically inspected for the mite.

Control of varroa mite can be tricky. Early detection is important so all beekeepers should develop a regular scouting program. New pesticidal materials are under deveopment. Miticides like Apistan (fluvalenate) and essential oils like thymol are useful. Check with your local beekeepers association.

varroa mites
varroa mites - photo by USDA/ARS

Mission: To provide accurate, up-to-date and unbiased information for solving common insect and mite problems around your home, business and landscape using least-toxic methods.

Jack DeAngelis, Ph.D.

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