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Corn earworm counts are rising throughout PA.
Vegetable - Small Fruit Production Issues: August 2, 2018 - News News
July started out dry and hot but transitioned quickly, with almost no warning, to very wet and hot. More
Blueberries are a high value crop in Pennsylvania.
Survey: Pollination Services of Blueberries in the Mid-Atlantic Region - News News
If you grow blueberries on your farm, please consider participating in this short survey. More
Japanese beetle on raspberries. Photo: Kathy Demchak, Penn State
Vegetable - Small Fruit Production Issues: July 12, 2018 - News News
Downy mildew was confirmed on cucumber in Mifflin County on July 11. Warmer weather throughout the state is helping crops along, but has also been good for insect pests. More
The potato leafhopper, Empoasca fabae, is a pest that is easy to overlook until the damage - called "hopperburn" - "burns" you. Photo: Penn State College of Agriculture
Vegetable - Small Fruit Current Issues: June 28 2018 - News News
Wet weather and variable temperatures across the state continue to be challenging for vegetable and berry production. More
Black rot on cabbage, caused by the bacterium Xanthomonas campestris pv. campestris. Note characteristic “V” shaped lesions starting at leaf margin. Photo: Lee Stivers, Penn State
Vegetable - Small Fruit Current Issues: Mid-June 2018 - News News
Cloudy weather, rainstorms, and variable temperatures across the state have slowed some crops and created very favorable conditions for disease development. More
Pepper transplants. Photo: Tom Ford, Penn State
Vegetable - Small Fruit Current Issues: May 18, 2018 - News News
It’s no secret that this spring has been cold and wet across Pennsylvania. On many farms, planting has been delayed as much as three weeks, and many crops already in the ground are developing more slowly than usual. More
Photo 1. Blueberry blossom showing the characteristic flowers of this plant. Note that the flowers are closed, bell-shaped and pendant. Photo credit: Nicole Castle, contributed to Plant Village.
Who Pollinates Pennsylvania Blueberry Plants? - Articles Articles

Who Pollinates Pennsylvania Blueberry Plants?

Margarita López-Uribe, Ph.D., Shelby Fleischer, Ph.D., Kristal Watrous, Nolan Amon

Blueberries (genus Vaccinium) are a high-value crop in Pennsylvania and the United States, with an estimated value of at least $825 million to the US economy in 2014. More
Yellowmargined leaf beetle (YMLB) adult. Photo: Michael Skvarla, Penn State
Yellowmargined Leaf Beetle Serious Pest in Pennsylvania - Articles Articles

Yellowmargined Leaf Beetle Serious Pest in Pennsylvania

Michael J. Skvarla, Shelby Fleischer, Ph.D.

Yellowmargined leaf beetle (YMLB) (Microtheca ochroloma) is a serious pest of cruciferous crops. More
Allium Leafminer Adult
Alert: The Allium Leafminer is active! - News News
The Allium Leafminer has emerged this week and we are already seeing feeding damage signs. Protect your crop! More
Figure 2. Pupae in base of allium plants. They have been in the pupal stage throughout the summer, and should emerge as adults this fall. Photo: L. Donoval.
Fall Re-Emergence of the Allium Leafminer - News News
It’s soon time for emergence of allium leafminer adults. More
Adult Allium Leafminer
Allium Leafminer Expected to Emerge in April - News News
The allium leafminer, Phytomyza gymnostoma, is a fly that originates from Poland, Germany, Austria and Spain, and was confirmed in 18 counties in Pennsylvania last year. More
Pests of Vegetables
Pests of Vegetables - Articles Articles

Pests of Vegetables

Shelby Fleischer, Ph.D.

A list of common pests and the vegetables they affect. More
Vine Crops - Insect Identification and Control in the Home Garden
Vine Crops - Insect Identification and Control in the Home Garden - Articles Articles
Insects attack vine crops from seeding until harvest. More
Early Season Soil Pests
Early Season Soil Pests - Articles Articles

Early Season Soil Pests

Shelby Fleischer, Ph.D.

A cold winter will should slow the start of insect population development. More
Bean Seed Maggot
Bean Seed Maggot - Articles Articles

Bean Seed Maggot

Shelby Fleischer, Ph.D.

The bean seed maggot and the seedcorn maggot are important, injurious pests of bean fields throughout the state. 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
Vegetable Gardening
Vegetable Gardening - Guides and Publications Guides and Publications

Vegetable Gardening

Elsa Sanchez, Ph.D., Timothy Elkner, Shelby Fleischer, Ph.D., Beth K. Gugino, Ph.D., Peter Ferretti, Steve Bogash, William Lamont, Jr., Ph.D., Michael Orzolek, Ph.D.

60

$10.00
Select, grow, and harvest delicious vegetables from your home garden. More
Pennsylvania Mushroom Integrated Pest Management Handbook
Pennsylvania Mushroom Integrated Pest Management Handbook - Guides and Publications Guides and Publications

Pennsylvania Mushroom Integrated Pest Management Handbook

David Meigs Beyer, Ph.D., Shelby Fleischer, Ph.D.

92

$15.00
Manage pests affecting your mushrooms with IPM practices. More
Seedcorn maggot life cycle Photo: Art Cushman, USDA Systematics Entomology Laboratory, Bugwood.org
Don’t Transplant Maggots - Articles Articles

Don’t Transplant Maggots

Shelby Fleischer, Ph.D.

Root maggot infestations can start when growing the transplants. More
Bombus in pollinator cover crop plots. Photo credit Tianna DuPont.
Pesticides and Pollinators - Articles Articles

Pesticides and Pollinators

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

Researchers believe that long term honey bee declines are a result of a complex set of factors. More
European corn borer: mouthparts pointing forward, glassy or cream colored body, wriggles when flicked with a finger as an escape behavior. Invades ear from side, bottom, or tip. Photo credit: M. E. Rice.
Avoiding Worms in Sweet Corn: How to Time Management Options - Articles Articles
Three species cause ‘wormy’ corn: the European corn borer, corn earworm, and fall armyworm. Insect traps baited with sex pheromones help time management options. More
Onion, Seed Corn, and Cabbage Maggots
Onion, Seed Corn, and Cabbage Maggots - Articles Articles

Onion, Seed Corn, and Cabbage Maggots

Shelby Fleischer, Ph.D., Tianna DuPont

These maggots attack seeds and small seedlings. While cabbage maggot and onion maggot attack only the seeds and seedlings of their namesakes, seed corn maggot will attack many plant species. More
Wild Bees for Pennsylvania Cucurbits
Wild Bees for Pennsylvania Cucurbits - Articles Articles

Wild Bees for Pennsylvania Cucurbits

Shelby Fleischer, Ph.D.

In addition to honey bees, which are managed, various un-managed species that exist as wild populations play key roles in providing pollination of cucurbit crops. More