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Identification and Biology

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This penstemon flower offers bees a landing pad and nectar guides. Photo by Connie Schmotzer
Pollination and Pollinators - Articles Articles

Pollination and Pollinators

Constance Schmotzer

Pollination is the transfer of pollen from the anthers of a flower to the stigma of the same flower or another flower. The result is the production of fertile seeds. More
Mason bee house. Photo credit: Dyan Eisenberger
Mason Bees in the Home Garden - Articles Articles
Learn about the importance of mason bees as pollinators and how to encourage their activity in your garden. More
Photo 1. Two type of bee hotels for stem nesters: (left) Box with cardboard straws and (right) wooden block with drilled holes. Photo credit: Margarita López-Uribe, Penn State
Spring Bees: Who Are They and Where Do They Live? - Articles Articles

Spring Bees: Who Are They and Where Do They Live?

Margarita López-Uribe, Ph.D.

While spring is the beginning of the beekeeping season, early blooming plants not only feed honey bees but also hundreds of native solitary bee species that emerge at around the same time. More
Andrena on apple blossom. Photo: David Biddinger
Orchard Pollination: Wild Bees - Articles Articles

Orchard Pollination: Wild Bees

Dave Biddinger, Ph.D.

Managed pollinators like honey bees and mason bees are important pollinators for orchards, but research suggests that wild bees also contribute significantly to fruit tree pollination. More
Osmia cornifrons on an apple blossom. Photo: David Biddinger
Orchard Pollination: Solitary (Mason) Bees - Articles Articles

Orchard Pollination: Solitary (Mason) Bees

乐动体育注册 Dave Biddinger, Ph.D.

Growers of bee-pollinated crops, particularly apples, may be interested in the possible use of solitary bees as pollinators. More
Tracking the Health of Feral Honey Bees in Pennsylvania
Tracking the Health of Feral Honey Bees in Pennsylvania - Articles Articles
Dr. Margarita M. López-Uribe is leading a project to map feral bees and analyze their immune systems. If you are aware of an unmanaged honeybee colony, please let us know. More
Orchard Wildlife Management - Birds
Orchard Wildlife Management - Birds - Articles Articles

Orchard Wildlife Management - Birds

Margaret C. Brittingham, Ph.D.

On many farms or orchards, bird damage is minimal while for others, problems from birds can be substantial. More
Wild bees like this bumble bee are essential to Pennsylvania agriculture.
Conserving Wild Bees in Pennsylvania - Articles Articles

Conserving Wild Bees in Pennsylvania

乐动体育注册 Mary Barbercheck, Ph.D., David Mortensen, Ph.D.

Wild bees, which include native and naturalized bees, pollinate a variety of crops. In areas of Pennsylvania, wild bees already provide the majority of pollination for some summer vegetable crops. More
Carpenter Bees
Carpenter Bees - Articles Articles

Carpenter Bees

Steve Jacobs

People who complain about bumblebees flying about under the eaves of their homes are probably being annoyed by carpenter bees (Xylocopa virginica). More
Native Pollinators: A Promising Solution to an Emerging Crisis
Native Pollinators: A Promising Solution to an Emerging Crisis - Videos Videos

Native Pollinators: A Promising Solution to an Emerging Crisis

乐动体育注册 Ed Rajotte, Ph.D., Dave Biddinger, Ph.D.

9:15

Learn the importance of native pollinators in Pennsylvania. More
Photo credit Mary Ann Frazier, Penn State Extension.
Who are Our Pollinators? - Articles Articles

Who are Our Pollinators?

Christina Grozinger, Ph.D., Shelby Fleischer, Ph.D., Krishona Martinson

Approximately three quarters of our major food crops are pollinated. Here we will look at how wild bees provide insurance against ongoing honey bee losses. More
Small Striped Bee (Halictus). Photo USGS Bee Inventory.
What Can We Do to Encourage Native Bees? - Articles Articles

What Can We Do to Encourage Native Bees?

Christina Grozinger, Ph.D., Shelby Fleischer, Ph.D., Tianna DuPont

Pollinators need a diverse, abundant food source and a place to build their nests and rear their young. If we keep these two elements in mind we can encourage native bee populations. More
Varroa mite parasitizing bee. Thought to be one of the major factors contributing to hive losses. Photo Alex Wild.
Pollinator Declines - Articles Articles

Pollinator Declines

Christina Grozinger, Ph.D., Shelby Fleischer, Ph.D., Tianna DuPont

Domestic honey bees hives are down by 59% compared to 60 years ago with rapid declines over the last forty years. The populations of some native bee species may also be declining. More