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Adult spotted lanternflies. Photo Credit: E. Smyers
Spotted Lanternfly Management for Homeowners - Articles Articles

Spotted Lanternfly Management for Homeowners

Heather L Leach, Dave Biddinger, Ph.D., Grzegorz (Greg) Krawczyk, Ph.D.

A guide that reviews the identification, life cycle, current distribution, and techniques for managing spotted lanternfly on your property. More
Spotted lanternfly on apple in Berks County, PA in October 2017. Photo: Erica Smyers, Penn State
Spotted Lanternfly on Grapes and Tree Fruit - Articles Articles

Spotted Lanternfly on Grapes and Tree Fruit

Julie Urban, Dave Biddinger, Ph.D., Ed Rajotte, Ph.D.

Biology, management and slowing the spread of the spotted lanternfly on grapes and tree fruit in the Mid-Atlantic Region. More
Orchard IPM - BMSB and Woolly Apple Aphid
Orchard IPM - BMSB and Woolly Apple Aphid - Articles Articles
As growers approach harvest, they start to find out whether or not they have much injury from brown marmorated stink bug (BMSB) and whether a final spray is needed. More
Orchard IPM - BMSB and San Jose Scale
Orchard IPM - BMSB and San Jose Scale - Articles Articles

Orchard IPM - BMSB and San Jose Scale

Dave Biddinger, Ph.D.

A pest that has flared due to BMSB sprays has been San Jose Scale (SJS). SJS is a relatively easy pest to control with many different control options added in the last 10 years. More
Orchard IPM - BMSB Sprays and Mites
Orchard IPM - BMSB Sprays and Mites - Articles Articles

Orchard IPM - BMSB Sprays and Mites

Dave Biddinger, Ph.D.

This article contains some guidelines and control strategies for minimizing the impacts BMSB sprays on mites for the next season. More
Figure 1. Lodged corn seen from a distance.
Corn rootworms Suspected of Resistance to Bt Corn Varieties Discovered - Articles Articles
Western corn rootworms that developed resistance to some Bt corn varieties may now be a problem in PA. More
Predator mite attacking European red mite. Photo courtesy of Dr. David Biddinger
Orchard IPM - European Red Mite Biological Control - Articles Articles

Orchard IPM - European Red Mite Biological Control

Dave Biddinger, Ph.D., Tara Baugher, Tianna DuPont

Infestations of red mites can result in smaller fruit and a reduced fruit bloom the following season. More
Tree Fruit Insect Pests - Yellow Jackets and Hornets
Tree Fruit Insect Pests - Yellow Jackets and Hornets - Articles Articles
While greater opportunities for biological control of some apple pests exist in today's orchards, we are seeing a greater diversity of generalist predators. More
Left: Rosy apple aphid and damage. Right: White apple leafhopper and damage.
Orchard IPM - Integrating Neonicotinoid Insecticides - Articles Articles

Orchard IPM - Integrating Neonicotinoid Insecticides

Dave Biddinger, Ph.D., Grzegorz (Greg) Krawczyk, Ph.D., Ed Rajotte, Ph.D.

Our job in integrated pest management (IPM) is to make sure that if a pesticide is to be used, its benefits outweigh the undesirable side effects. More
Mourad Louadfel, Bugwood.org
Keep an Eye Out for Cereal Leaf Beetle - Articles Articles
Scout now for infestations of cereal leaf beetle in small grain fields. The larval stage feeds on the leaves and fields appear white if heavily infested. More
Assessing Soybean Fields for Insect Damage
Assessing Soybean Fields for Insect Damage - Articles Articles
This time of year (July) a suite of insect pest species are feeding upon soybean foliage. More
Alfalfa Weevil
Alfalfa Weevil - Articles Articles

Alfalfa Weevil

John Tooker, Ph.D.

Alfalfa weevil is one of the two most-damaging insect pests of alfalfa in Pennsylvania (the other is potato leafhopper). It is an exotic species that likely evolved in Asia, but appears to have been introduced to the U.S. at least three times. More