Penn State Extension

14 Results

List Grid

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
Asma, Plagas y Pesticidas
Asma, Plagas y Pesticidas - Articles Articles

Asma, Plagas y Pesticidas

Kristie Auman-Bauer

Podemos ayudar a prevenir los ataques de asma prestando atención a las condiciones ambientales que irritan los pulmones y desencadenan el asma. More
¿Tiene Hormigas? Elimine las Hormigas con MIP
¿Tiene Hormigas? Elimine las Hormigas con MIP - Articles Articles
El manejo integrado de plagas (IPM) utiliza la información sobre plagas para elegir los métodos de control más seguros y efectivos. More
¿Tiene Chinches de Cama? Elimine las Chinches de Cama con MIP
¿Tiene Chinches de Cama? Elimine las Chinches de Cama con MIP - Articles Articles
Siga los siguientes pasos para aprender como identificar, prevenir y controlar las chinches de cama de forma segura y efectiva. More
¿Tiene Piojos? Elimine los Piojos con MIP
¿Tiene Piojos? Elimine los Piojos con MIP - Articles Articles
¿Qué haría usted si la escuela de su niño lo envía de vuelta a su casa porque tiene piojos? 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
Common Urban Pests: Identification, Prevention, and Control
Common Urban Pests: Identification, Prevention, and Control - Articles Articles

Common Urban Pests: Identification, Prevention, and Control

Steve Jacobs, Kristie Auman-Bauer, Lyn Garling

This article provides brief descriptions of common urban pests, including cockroaches, bed bugs, ants, moths, and more. More