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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
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
Helping Realtors Understand On-Lot Wastewater Inspections
Helping Realtors Understand On-Lot Wastewater Inspections - Articles Articles
As part of the “home inspection” process, realtors need to understand who should conduct on-lot disposal system inspections and what outcomes to expect. More
Figure 1. Typical bioretention cell.
Rain Gardens (BioRetention Cells) - a Stormwater BMP - Articles Articles
Design guidance provided for engineers and planners on how to properly develop a bioretention cell. More
Infiltrating Stormwater
Infiltrating Stormwater - Articles Articles

Infiltrating Stormwater

Albert Jarrett, Ph.D.

Guidance to stormwater designers about assessing a potential stormwater infiltration site to determine the rate and volume of stormwater that can be expected to infiltrate into the soil. More
Rainwater Cistern (image credit - Ecology Center on flickr.com CC BY 2.0)
Cisterns for Capturing and Reusing Stormwater - Articles Articles
Guidance provided on how to develop effective runoff capture and reuse systems as part of a stormwater management plan. More
Selecting a Faircloth Skimmer
Selecting a Faircloth Skimmer - Articles Articles

Selecting a Faircloth Skimmer

Albert Jarrett, Ph.D.

A skimmer is a basin dewatering control device that withdraws water from near the basin’s water surface, removing the highest quality water from the basin for delivery to the uncontrolled environment. More
Creating an Infiltration Surface
Creating an Infiltration Surface - Articles Articles

Creating an Infiltration Surface

Albert Jarrett, Ph.D.

Information for contractors to properly build an infiltration surface; the soil surface where stormwater or wastewater is expected to enter the soil profile. More
Controlling the Dewatering of Sedimentation Basins
Controlling the Dewatering of Sedimentation Basins - Articles Articles
Design criterion provided that can be used by engineers to properly size various dewatering control features used as part of the basin’s principal spillway. More
Rock Swale
Improving Stormwater Quality - Articles Articles

Improving Stormwater Quality

Albert Jarrett, Ph.D.

Various low impact development (LIDs) practices and how effective they are at reducing pollutants in stormwater. More
Figure 1. Green roof profile schematic including materials typically included in construction.
Green Roofs for Stormwater - Articles Articles

Green Roofs for Stormwater

Albert Jarrett, Ph.D.

Guidance on how green roofs can be constructed and how they can be expected to contribute to solving stormwater problems. More
Wet Basements
Wet Basements - Articles Articles

Wet Basements

Albert Jarrett, Ph.D.

Understanding and correcting wet basements is a key topic for homeowners. More
Riego por goteo de pimientos.
Riego por Goteo para la Producción Vegetal - Articles Articles

Riego por Goteo para la Producción Vegetal

Jayson K. Harper, Ph.D., Lynn Kime, Albert Jarrett, Ph.D., Michael Orzolek, Ph.D.

La irrigación o riego por goteo o chorreo es un método muy eficiente para la aplicación de agua y nutrientes para los cultivos. More
Drip irrigation of bell peppers
Drip Irrigation for Vegetable Production - Articles Articles

Drip Irrigation for Vegetable Production

Jayson K. Harper, Ph.D., Albert Jarrett, Ph.D., Michael Orzolek, Ph.D.

Drip or trickle irrigation is a very efficient method of applying water and nutrients to crops. More
Septic Tank Exit Filters Septic Tank Exit Filters - Articles

Septic Tank Exit Filters

Albert Jarrett, Ph.D.

Adding a filter to the exit baffle of a septic tank serves as the final opportunity to capture and remove partially settled particles in the wastewater. More
Hydraulic Load Test Hydraulic Load Test - Articles

Hydraulic Load Test

Albert Jarrett, Ph.D.

The Hydraulic Load Test is included as a component of the PSMA On-Lot Wastewater Inspection. More
On-Lot Filtration and Advanced Treatment Units
On-Lot Filtration and Advanced Treatment Units - Articles Articles
There are many Filtration and Advanced treatment units (FATU's) approved for use in On-Lot Wastewater Systems in Pennsylvania. More
Figure 1. Cross-section through a Micro-Mound
Drip-Irrigation Micro-Mound - Articles Articles

Drip-Irrigation Micro-Mound

Albert Jarrett, Ph.D.

The Drip-Irrigation Micro-Mound On-Lot Wastewater System is a method of distributing treatment tank (septic or aerobic) effluent to the natural soil. More
Geotextile Sand Filter (GSF) On-Lot Systems
Geotextile Sand Filter (GSF) On-Lot Systems - Articles Articles
The Geotextile Sand Filter (GSF) on-lot sewage disposal system can be designed and installed on sites with restrictive soil conditions. More
Agricultural Water Needs and Sources Water Supply
Agricultural Water Needs and Sources Water Supply - Articles Articles
Information on the volume of water needed for various agricultural purposes. More
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