Penn State Extension

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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
"Week Old Chicks" by Jack Berry
Respiratory Diseases in Small Poultry Flocks - Articles Articles

Respiratory Diseases in Small Poultry Flocks

Eva Wallner-Pendleton, DVM, MS, ACPV

Poultry respiratory symptoms have many potential causes, some more serious than others. More
Preventing Respiratory Disease in Small Poultry Flocks
Preventing Respiratory Disease in Small Poultry Flocks - Videos Videos

Preventing Respiratory Disease in Small Poultry Flocks

Eva Wallner-Pendleton, DVM, MS, ACPV

9:15

To prevent respiratory disease, start with healthy birds and avoid introducing sick birds. Learn how to purchase healthy birds and add them to your flock. More
Getting Help for Respiratory Diseases in Small Poultry Flocks
Getting Help for Respiratory Diseases in Small Poultry Flocks - Videos Videos

Getting Help for Respiratory Diseases in Small Poultry Flocks

Eva Wallner-Pendleton, DVM, MS, ACPV

5:07

If your poultry show signs of respiratory disease, learn what you should do, where to find help, and the resources available to owners of small flocks. More
Common Respiratory Diseases of Small Poultry Flocks
Common Respiratory Diseases of Small Poultry Flocks - Videos Videos

Common Respiratory Diseases of Small Poultry Flocks

Eva Wallner-Pendleton, DVM, MS, ACPV

7:57

Learn about causes and symptoms of several common respiratory diseases of poultry, and the prognosis and possible treatments for each. More
photo: AAAP
Marek's Disease in Chickens - Articles Articles

Marek's Disease in Chickens

Eva Wallner-Pendleton, DVM, MS, ACPV, Gregory P Martin, Ph.D., PAS

Marek’s Disease is by far one of the most common illnesses in small flocks and not treatable once the clinical signs have begun. Yet, it is one of the most preventable illnesses using vaccination. 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
Blood Collection from Poultry
Blood Collection from Poultry - Videos Videos

Blood Collection from Poultry

Eva Wallner-Pendleton, DVM, MS, ACPV

10:44

This video describes taking blood samples from poultry to test for exposure to infectious diseases. Correct bird restraint and handling of the sample are also demonstrated. 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
Introduction to Highly Pathogenic Avian Influenza
Introduction to Highly Pathogenic Avian Influenza - Videos Videos

Introduction to Highly Pathogenic Avian Influenza

Gregory P Martin, Ph.D., PAS, Eva Wallner-Pendleton, DVM, MS, ACPV, Phillip Clauer

1:03

Introduction to risks of Avian Influenza a precautions you can take to protect your flock. More
Avian Influenza - Frequently Asked Questions for Pennsylvanians
Avian Influenza - Frequently Asked Questions for Pennsylvanians - Articles Articles

Avian Influenza - Frequently Asked Questions for Pennsylvanians

Patricia A Dunn, DVM, MAM, DACPV, Eva Wallner-Pendleton, DVM, MS, ACPV

Information for Pennsylvanians about the biology of Avian Influenza ("Bird Flu") and recent outbreaks. Updated August 6, 2015. More