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
Workshop at Heritage Farm
Master Class: Soils, Urban Environments and Tough Choices - Workshops Workshops
Free
An overview of urban soils and their use in a variety of urban roles More
Steatoda grossa female. Photo by Steven Jacobs, Penn State Extension
False Black Widow Spider - Articles Articles

False Black Widow Spider

Steve Jacobs

The false black widow is found in the coastal states of the Atlantic, Gulf, and Pacific regions. It is a common spider in homes and other structures. More
Parasteatoda tepidariorum female. Photo by Steven Jacobs, Penn State Extension
Common House Spider - Articles Articles

Common House Spider

Steve Jacobs

Parasteatoda tepidariorum is widely distributed throughout the world. It commonly constructs webs in the corners of walls and windows in houses and barns. More
Eris militaris. Photo by Lynette Elliott, BugGuide.net, photo# 457511
Bronze Jumper - Articles Articles

Bronze Jumper

Steve Jacobs

This spider is found throughout most of the continental United States and Canada. More
Cheiracanthium inclusum male. Photo by Steven Jacobs, Penn State Extension
Agrarian Sac Spider and Longlegged Sac Spider - Articles Articles
Sac spiders are found on foliage; under leaf litter, stones, and boards; on buildings under windowsills and siding; and in wall and ceiling corners in homes. More
Phidippus audax showing green chelicerae. Photo by Ryan Kaldari, WikiMedia
Bold Jumper Spider - Articles Articles

Bold Jumper Spider

Steve Jacobs

The jumping spiders are small, compact hunting spiders. Phidippus audax is the most common jumping spider seen in and around Pennsylvania homes. More
Paraphidippus aurantius female. Photo by Isa Betancourt, BugGuide.net, photo# 1031635
Emerald Jumper - Articles Articles

Emerald Jumper

Steve Jacobs

This colorful spider had not been recorded previously in Pennsylvania. However, it has been identified in Delaware, Maryland, Virginia, and ten other states. More
Araneus saevus male. Photo by Steven Jacobs, Penn State Extension
Fierce Orbweaver - Articles Articles

Fierce Orbweaver

Steve Jacobs

Araneus saevus is found from Canada into the northern United States. It can be seen in forested areas and suburbia with mature landscape plantings. More
Trachelas tranquillus female. Photo by Steven Jacobs, Penn State Extension
Broad-Faced Sac Spider - Articles Articles

Broad-Faced Sac Spider

Steve Jacobs

Trachelas tranquillus can be found on foliage; under leaf litter, stones, and boards; and on buildings under the windowsills and siding. More
Argiope aurantia on web showing stabilimentum. Photo by Deisy Mendoza, WikiMedia
Yellow Garden Spider - Articles Articles

Yellow Garden Spider

Steve Jacobs

Yellow garden spiders are seen in gardens, tall weeds, and sunny areas with bushes and other supporting structures on which they build their large orb webs. More
Araneus diadematus female. Photo by Steven Jacobs, Penn State Extension
Cross Orbweaver Spider - Articles Articles

Cross Orbweaver Spider

Steve Jacobs

The cross orbweaver was probably introduced from Europe. This showy orbweaver is commonly encountered next to buildings with exterior lighting. More
Tegenaria domestica male. Photo by Steven Jacobs, Penn State Extension
Barn Funnel Weaver Spider - Articles Articles
This funnel weaver is found throughout most of the United States, most notably in sheds and barns, in the crevices of doors, and under rocks and boards. More
Whitney Cranshaw, Colorado State University. Bugwood.org
Banded Garden Spider - Articles Articles

Banded Garden Spider

Steve Jacobs

Banded garden spiders inhabit similar locations as yellow garden spiders, but are not as common in Pennsylvania. More
Joseph Berger, Bugwood.org
Hacklemesh Weaver Spiders - Articles Articles
Amaurobius and Callobius species of spiders are found in damp locations under bark, leaf litter, and stones, as well as in woodpiles and other protected areas. More
Tigrosa aspersa. Photo by Jim Eckert, BugGuide.net, photo #1540834
Wolf Spiders - Articles Articles

Wolf Spiders

Steve Jacobs

Wolf spiders are large hunting spiders. Two notable species, Hogna carolinensis and H. aspersa, are occasionally encountered in Pennsylvania homes. More
Herpyllus ecclesiasticus. Photo by Joseph Berger, Bugwood
Parson Spider - Articles Articles

Parson Spider

Steve Jacobs

Stealthy ground spiders hunt at night and hide under leaves, boards, and stones during the day. The most commonly encountered of these is the parson spider. More
Vegetable crops at Heritage Farm
Growers' Series: Fertility Strategies for Vegetable Growing - Workshops Workshops
Free
Learn strategies for different vegetable crops and techniques for producing your own natural, low-cost fertilizers More
Diversified vegetable production in low-till cropping system
Growers' Series: Experiments in Low-Till Farming - Workshops Workshops

Growers' Series: Experiments in Low-Till Farming

03/20/2019

Philadelphia, PA

Free
Reducing tillage on the sustainable farm More
Problem Weeds in Field Crops: Managing Annuals and Biennials
Problem Weeds in Field Crops: Managing Annuals and Biennials - Online Courses Online Courses
$15.00
Learn management and herbicide use for weeds such as lambsquarters, Palmer amaranth, foxtails and crabgrass. Earn pesticide applicator recertification credits. More
Master Class: Reverse Engineering Your Crop Plan
Master Class: Reverse Engineering Your Crop Plan - Workshops Workshops
Learn to Plan for the Harvest You Want When You Want It More
A rainy day at DITO Inc's Segue Gardens in West Oak Lane
Growers' Series: Shifting Weather Patterns - Workshops Workshops
Discussion on grower concerns, solutions, and work-arounds for weather-related issues facing gardeners and growers today. More
Photo: Holly Raguza, Pennsylvania Department of Agriculture
How You Can Comply with the Spotted Lanternfly Quarantine Regulations - Articles Articles
Some tips to help you avoid spreading Spotted Lanternfly (SLF) and be in compliance with the Pennsylvania Department of Agriculture (PDA) regulations. More
Growers' Series: High Tunnel Soil Health and Maintenance
Growers' Series: High Tunnel Soil Health and Maintenance - Workshops Workshops
Learn How to Keep Your Soils Healthy and Your Structure Functioning Efficiently and Effectively More
Spotted Lanternfly: What to Look For
Spotted Lanternfly: What to Look For - Articles Articles
Spotted Lanternfly, Lycorma delicatula, is a new threat to Pennsylvania and the United States, and experts are still learning how to combat it. More
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