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
Keep away from grain augers
Safe Grain Handling During Harvest - News News
Staying safe during grain handling operations is important. Be sure to evaluate and control all hazards. 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
2017 Pennsylvania Farm Fatal Injury Summary
2017 Pennsylvania Farm Fatal Injury Summary - Articles Articles

2017 Pennsylvania Farm Fatal Injury Summary

Michael Pate, Ph.D., Serap Gorucu, Ph.D, Douglas Schaufler, Ph.D., P.E.

Annual summaries of farm fatalities help identify hazards and risks associated with production agriculture. More
Use Personal Gas Monitors to Avoid Exposure to Toxic Hydrogen Sulfide
Use Personal Gas Monitors to Avoid Exposure to Toxic Hydrogen Sulfide - Articles Articles

Use Personal Gas Monitors to Avoid Exposure to Toxic Hydrogen Sulfide

Dan Hofstetter, Eileen E. Fabian (Wheeler), Ph.D., Michael Pate, Ph.D.

Gas monitoring is always recommended when working around toxic gases such as hydrogen sulfide. Fortunately, affordable portable personal gas monitors are available for on-farm use. 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
Got Mud? Safe Extraction of Farm Machinery
Got Mud? Safe Extraction of Farm Machinery - Articles Articles
If you get a piece of equipment stuck in the mud, don’t rush. Take the proper precautions to get it out safely. More
Generator Checkup: Meaningful Maintenance for Safe Service
Generator Checkup: Meaningful Maintenance for Safe Service - Articles Articles
Is your generator prepared for a power outage at your farmstead or business? 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
Researcher Aims to Limit Technology-based Distractions Researcher Aims to Limit Technology-based Distractions - News
Serap Gorucu, researcher at PSU, recently discussed youth ag safety at the “Technology-based Distractions in Farming Youth” seminar December 6 at Marshfield Clinic Research Institute. 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
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