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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 | Jun 2016 | 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 | Jun 2016 | Video Peer reviewed (Gray level)

Sampling for Varroa Mites from a Honey Bee Brood Nest

Varroa destructor, a parasitic mite, is the most serious pest of a honey bee colony. Left unchecked, varroa mites can severely damage the colony and lead to collapse. Visual inspection of honey bee adults is not a reliable ...

Carolyn Breece, Ramesh Sagili | Jun 2016 | Video Peer reviewed (Gray level)

The Small Hive Beetle: A Potential Pest in Honey Bee Colonies in Oregon

Although no significant damage has been reported from this pest in Oregon and it is not clear whether this beetle can thrive in this state, the beetle has been a menace in many states and poses a threat ...

Karessa Torgerson, Carolyn Breece, Ramesh Sagili, Dewey Caron | Jun 2016 | Extension Catalog publication Peer reviewed (Orange level)

How to Reduce Bee Poisoning from Pesticides

An overview of how a variety of wild and managed bees and their pollination activities are affected by pesticide application. Provides guidelines for how beekeepers, growers, and pesticide applicators can work ...

Louisa Hooven, Ramesh Sagili, Erik Johansen | Mar 2016 | Extension Catalog publication Peer reviewed (Orange level)

Nurturing Mason Bees in Your Backyard in Western Oregon

An overview of mason bee basic biology and life cycle, and detailed descriptions of what is needed to start keeping mason bees, including desirable plants, nesting sites and types of nests, and caring for the ...

Brooke Edmunds, Richard Little, Ramesh Sagili | Feb 2016 | Extension Catalog publication Peer reviewed (Orange level)

Overwintered Honey Bee Nucleus Colonies: Big Solutions in Small Packages

This publication describes how commercial and backyard beekeepers can minimize colony losses through such best management practices as establishing nucleus colonies, which can provide quick resolution for many beekeeping problems.

Ramesh Sagili, Carolyn Breece, Karessa Torgerson, Harry Vanderpool | Oct 2015 | Extension Catalog publication Peer reviewed (Orange level)

Pollinator-Friendly Best Management Practices for Federal Lands

Honey bees, native bees, butterflies, moths, flies, bats, and beetles contribute substantially to the food production systems of the United States, to the economic vitality of the agricultural sector, and to the health of our environment.

May 2015 | Online resource

What are these blue sheds facing the sunrise?

Q: There is a chunk of farmland between Ontario and Vale that has a number of small, blue shacks on it (mostly on the north side of Hwy 20). Driving past (at highway speeds) we could not figure out what they were for. ...

A: View answer | View all featured questions

Hedgerow planting for pollinators: Western Oregon & Washington

This document provides in-depth guidance on how to install dense vegetation in a linear design to enhance the pollen, nectar and nesting habitat of pollinators.

The Xerces Society for Invertebrate Conservation | Jun 2013 | Online resource

OSU Extension Service

Bees and pollinators