Penn State Extension

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Photo by David Almquist on Bugguide.org, used with permission.
Camphor Shoot Borer (Cnestus mutilatus) - Articles Articles
Camphor shoot borers are an introduced species of ambrosia beetle that attack small-diameter branches and trunks of stressed, weakened, and dying trees. They also accidentally bore holes into plastic gasoline containers, hoses, and tanks. More
Insects on Real Christmas Trees
Insects on Real Christmas Trees - Articles Articles

Insects on Real Christmas Trees

Michael J. Skvarla

Most real Christmas trees are free of insects and other arthropods. However, it is possible that some trees may harbor one or more species. More
Asian longhorned ticks are can be found on deer and other wildlife, as well as livestock and companion animals.
Asian Longhorned Tick, Haemaphysalis longicornis - Articles Articles

Asian Longhorned Tick, Haemaphysalis longicornis

Erika Machtinger, Michael J. Skvarla

The Asian Longhorned tick is a recent invasive tick to Pennsylvania. This tick can be found on wildlife and on livestock. It is important to be aware of the presence of this tick and to implement prevention and control measures when necessary. More
Sclerodermus Latreille
Sclerodermus Latreille - Articles Articles

Sclerodermus Latreille

Michael J. Skvarla

Sclerodermus are small wasps that can become pestiferous and sting people when they attack wood-boring beetle larvae that have infested wooden structures and furniture. More
Magnolia Leaf-Footed Bug
Magnolia Leaf-Footed Bug - Articles Articles

Magnolia Leaf-Footed Bug

Michael J. Skvarla

Magnolia leaf-footed bugs are brown bugs occasionally found on magnolia. They do not pose a risk to human health and do not cause damage to or reduce the vigor of infested trees, but may be nuisance pests. More
Jalysus wickhami. Photo © John Rosenfeld
Spined Stilt Bug - Articles Articles

Spined Stilt Bug

Michael J. Skvarla

Spined stilt bugs are an occasional pest of greenhouse tomatoes that can cause flower and fruit abortion and unsightly feeding damage in mature fruits. 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
Michael Skvarla, director of the Insect Identification Lab in Penn State's College of Agricultural Sciences, holds a walking stick. Photo by Amy Duke
Penn State Department of Entomology Offers Insect Identification Services - News News
Director of the Insect Identification Lab in Penn State's College of Agricultural Sciences knows his bugs More
Photo: T. Baugher, Penn State
A Brief Guide to Hand Lenses - Articles Articles

A Brief Guide to Hand Lenses

Michael J. Skvarla

Arthropods, including plant pests and biocontrol agents, are often difficult to identify with the naked eye. More
Good communication between farmers and neighbors can keep relations positive.
Finding the Common Ground: Good Neighbor Relations: Advice and Tips from Farmers - Articles Articles
Land development is bringing residential development into agricultural areas. New residents may have misconceptions about farms, and conflicts can arise between farm and nonfarm neighbors. More
Many people choose to live in the country because they cherish the peace and quiet, the wide open spaces, and the beauty of nature.
Country Living: A Guide for Homeowners - Articles Articles

Country Living: A Guide for Homeowners

Charles Abdalla, Ph.D., Timothy Kelsey, Ph.D.

This article will help people living in or considering a move to the country understand the basics about how government and community services and utilities work in rural areas in Pennsylvania. More
Finding the Common Ground: Understanding Your Community's Agriculture
Finding the Common Ground: Understanding Your Community's Agriculture - Articles Articles

Finding the Common Ground: Understanding Your Community's Agriculture

Charles Abdalla, Ph.D., Timothy Kelsey, Ph.D.

When you live in the country, a basic understanding of agriculture's contribution to the community is useful. More
Brown marmorated stink bug
Brown Marmorated Stink Bug - Articles Articles

Brown Marmorated Stink Bug

Michael J. Skvarla

The brown marmorated stink bug (BMSB) was first collected in September of 1998 in Allentown, but probably arrived several years earlier. More
Marcellus shale drilling in progress, Beaver Run Reservoir, Westmoreland County. Credit: Robert Donnan.
Water’s Journey Through the Shale Gas Processes - Articles Articles
Using publicly available information, we attempt to track and quantify current water use through the stages of the gas well development process. More
River Basin Approaches to Water Management in the Mid-Atlantic States
River Basin Approaches to Water Management in the Mid-Atlantic States - Articles Articles
Interstate conflict over water resources is growing in the Mid-Atlantic region. As population increases and industries and energy sources shift, water becomes in greater demand. More
Water Withdrawals for Development of Marcellus Shale Gas in Pennsylvania
Water Withdrawals for Development of Marcellus Shale Gas in Pennsylvania - Articles Articles
This article is an introduction to Pennsylvania's water resources and the impact of deep well drilling on those resources. More
Spring Creek running through downtown Bellefonte, PA
Access and Allocation of Water in Pennsylvania - Articles Articles

Access and Allocation of Water in Pennsylvania

Charles Abdalla, Ph.D., Kristen Saacke Blunk

This article provides an overview of water rights for citizens, farmers, rural business owners, and elected and appointed officials. (This is not a substitute for advice from a qualified lawyer.) More
A Primer on Water Quality Credit Trading in the Mid-Atlantic Region
A Primer on Water Quality Credit Trading in the Mid-Atlantic Region - Articles Articles
Water quality credit trading is a tool for reducing the cost of controlling nutrients and sediments that severely impact streams, rivers, lakes, and estuaries. More