Articles
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
Articles Vine Crops - Insect Identification and Control in the Home Garden
Shelby Fleischer, Ph.D.
Insects attack vine crops from seeding until harvest. More
Articles Avoiding Worms in Sweet Corn: How to Time Management Options
Shelby Fleischer, Ph.D.
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
Articles Early Season Soil Pests
Shelby Fleischer, Ph.D.
A cold winter will should slow the start of insect population development. More
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
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
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
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
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
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
Articles Don’t Transplant Maggots
Shelby Fleischer, Ph.D.
Root maggot infestations can start when growing the transplants. More