Carolyn Breece

Faculty Research Assistant

541-737-5440
[email protected]

Programs: Oregon Master Beekeeper Program

Department/Unit: Horticulture

Content by Carolyn Breece

Master Beekeeper program adds groundbreaking Spanish-language track as it celebrates 10th year

It's the first program of its kind in the United States.

Kym Pokorny | Oct 6, 2022 | News story

Eco-friendly lawns require forethought to attract pollinators

Transitioning from an all-grass lawn to a flowering lawn is challenging.

Kym Pokorny | Jul 15, 2022 | News story

Revenue Sources for a Commercial Beekeeping Operation in the Pacific Northwest

Pollination services and honey production are the primary revenue sources for a beekeeping business based in the Pacific Northwest. Those starting a beekeeping operation should focus on two to three revenue sources ...

Ellen Topitzhofer, Carolyn Breece, Dan Wyns, Ramesh Sagili | May 2020 | OSU Extension Catalog Peer reviewed (Orange level)

Pollination and seed set in meadowfoam

Learn the characteristics of meadowfoam and best practices for managing honey bees.

Ramesh Sagili, Jennifer Kling, Carolyn Breece | Nov 2024 | OSU Extension Catalog Peer reviewed (Orange level)

Sampling for Varroa Mites

Left unchecked, varroa mites can severely damage the colony and lead to collapse. Visual inspection of honey bee adults is not a reliable way to monitor for varroa. This video demonstrates two methods for sampling a colony for varroa mites: the alcohol wash and the powdered sugar shake.

Carolyn Breece | Apr 2024 | Video

Protecting honey bees from yellowjacket wasps

Yellowjackets seek protein and carbohydrate to feed their developing larvae. A honey bee colony offers an abundance of both. Beekeepers can protect their honey bees from yellowjackets by keeping strong colonies, ...

Carolyn Breece, Ramesh Sagili, Dan Wyns | Dec 2024 | OSU Extension Catalog Peer reviewed (Orange level)

Dissecting honey bees for tracheal mites

Knowing the levels of tracheal mites in your apiary and understanding the effects of their presence will enable you to make an educated decision on your treatment plan. In this video, we demonstrate the dissection of a honey bee worker for tracheal mite infestation.

Ellen Topitzhofer, Carolyn Breece, Ramesh Sagili | Apr 2024 | Video Peer reviewed (Gray level)

Nosema Analysis in Honey Bees

Nosema is a microsporidian parasite that infects the gut of a honey bee. (Microsporidia are spore-forming fungi.) Nosema affects protein metabolism in honey bees and causes them to starve. In this video, we demonstrate how to ...

Ellen Topitzhofer, Carolyn Breece, Ramesh Sagili | Jul 2024 | Video Peer reviewed (Orange level)

The small hive beetle: A potential pest in honey bee colonies in Oregon

The small hive beetle has been a menace in many states and poses a threat to Oregon through migratory and purchased bee colonies. Learn to identify the beetle and potential damage it can cause.

Karessa Torgerson, Carolyn Breece, Ramesh Sagili, Dewey Caron | Jun 2024 | OSU Extension Catalog Peer reviewed (Orange level)

Overwintered honey bee nucleus colonies: big solutions in small packages

Commercial and backyard beekeepers can minimize colony losses by establishing nucleus colonies. Nucleus colonies can quickly resolve many beekeeping problems.

Ramesh Sagili, Carolyn Breece, Karessa Torgerson, Harry Vanderpool | Nov 2024 | OSU Extension Catalog Peer reviewed (Orange level)

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