Pests and Diseases

Recommendations for managing pests and diseases, including Fletcher scale, leafhoppers, spotted lanternfly, webworms, mites, caterpillars, pillbugs, weevils, scales, borers, beetles, aphids, moths, blight, necrosis, root rot and freeze damage.

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Jimsonweed, Datura stramonium. Photo: Jan Samanek, Phytosanitary Administration, Bugwood.org
Toxic Weed in the Landscape: Jimsonweed - News News
Jimsonweed is an annual plant that is poisonous to animals and humans. More
Notice the size difference, Yellowjacket (bottom), European hornet (top). Photo courtesy of Jim Baker, North Carolina State University, Bugwood.org
The Giant Asian Hornet Scare - News News

The Giant Asian Hornet Scare

07/17/2018

There was a flurry of calls coming into area Penn State Extension offices a few weeks ago about the appearance of the giant Asian hornet. More
Lacewings are close relatives of dobsonflies and fishflies, all found within the insect order Neuroptera, also known as the net-winged insects. Photo: Amy Korman, Penn State
Promoting Beneficial Insects in the Landscape: Lacewings - Articles Articles
Lacewings get their name from the intricate net-like arrangement of veins on their wings. With the arrival of spring, lacewings are much more active in our landscapes. More
Figure 1. Caterpillar or sawfly? Accurate identification of the pest is critical when using bio-insecticides. Bt products will control small caterpillars, but would be ineffective on the sawfly larva shown in this photo.
Bio-insecticides in Greenhouse Ornamentals - Articles Articles

Bio-insecticides in Greenhouse Ornamentals

Lee Stivers, Ruth Benner

Bio-pesticides, also known as biological pesticides, are defined by the US EPA as pesticides derived from natural materials such as animals, plants, bacteria, fungi, and certain minerals. More
The Basics of Bio Control of Insects for Greenhouses and Nurseries
The Basics of Bio Control of Insects for Greenhouses and Nurseries - Videos Videos
Bio control of insects in greenhouses and nurseries is a pest management strategy that is increasing in use and application. This video covers some of the bio control agents (BCA's) that are being used in horticultural applications. More
Thrips larvae. Photo: Sinclair Adam, Penn State
Greenhouse Growers, Are You Ready for Thrips? - News News
As greenhouse producers are preparing for spring and the flowers become more numerous, it is time to get ready for those dreaded thrips. More
Landscape IPM Seminar
Landscape IPM Seminar - Workshops Workshops
This seminar provides valuable research-based information along with re-certification and continuing education credits. More
Greenhouse Pesticide Update
Greenhouse Pesticide Update - Workshops Workshops
A two hour educational session for commercial applicators. More
StillWorksImagery / pixaby.com
Greenhouse Night-Lighter - Workshops Workshops
Producers and marketers of floriculture crops are invited to the Greenhouse Night-Lighter, a greenhouse production and marketing meeting. More
Green Industry Update Webinar - Spanish Language
Green Industry Update Webinar - Spanish Language - Workshops Workshops
Participate in this Spanish language webinar to learn and earn pesticide recertification credits from the comfort of your home or office! More
Turf & Ornamentals Conference
Turf & Ornamentals Conference - Workshops Workshops
The Turf & Ornamentals Conference offers a great opportunity to learn about topics that are important to the industry and to network with peers. More
Turf & Ornamentals School
Turf & Ornamentals School - Workshops Workshops
Pest management information on ornamental plants and turfgrass pests will be covered at this informative school. 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
Noxious Weed - Catsear
Noxious Weed - Catsear - Articles Articles
Catsear (Hypochaeris radicata or Hypochoeris radicata), also known as flatweed, cat's ear or false dandelion, is a perennial, low-lying herb often found in lawn. More
Green Industry Update Webinar
Green Industry Update Webinar - Webinars Webinars
Participate in this webinar to learn and earn pesticide recertification credits from the comfort of your home or office! More
Bringing Houseplants Indoors
Bringing Houseplants Indoors - Articles Articles
Many houseplants thrive outdoors in the summertime, but must be brought indoors before temperatures get too low. They need to readjust to conditions inside the house. More
Landscaping Field Day
Landscaping Field Day - Workshops Workshops

Landscaping Field Day

09/28/2018

Centre Hall, PA

$20.00
This one-day event will provide professional managers with educational opportunities geared toward the green industry. More
Organic Land Care Best Management Practices Manual
Organic Land Care Best Management Practices Manual - Articles Articles
This free manual provides recommendations to land managers and landscape contractors on best management practices for effectively conducting organic land care. More
Keeping greenhouses free of weeds helps control diseases and insect pests.
Zero Tolerance for Weeds in the Greenhouse - Articles Articles
"Don't let weeds grow in the greenhouse." Growers know it, customers sense it, and Extension educators preach it. But is zero tolerance for weeds attainable? More
Sowbugs and pillbugs congregate in moist areas. Photo by Sinclair Adam.
Sowbugs and Pillbugs: Occasional but Destructive Greenhouse Pests - Articles Articles
We hear periodic reports of sowbug and/or pillbug outbreaks in greenhouses and high tunnels in Pennsylvania. More
Tobacco Mosaic Virus on petunia. Photo: T. Ford, Penn State
Tobacco Mosaic Virus Prevention Starts with Worker Training - Articles Articles
The most important way that Tobacco Mosaic Virus (TMV) can be spread from plant to plant is on workers' hands, clothing or on tools. More
Four-lined plant bug adult. Photo: S. Feather, Penn State
Four-lined Plant Bugs Are Active Now - Articles Articles
Four-lined plant bugs, Poecilocapsus lineatus, become active in May. More
Damage to a row of boxwoods from boxwood leafminer. Photo: T. Butzler, Penn State
The Boxwood Leafminer Makes Its Yearly Entrance in Spring - Articles Articles
Boxwoods have many positive qualities that make it one of the most popular shrubs in the landscape. More
Gerald J. Lenhard, Louisiana State University, Bugwood.org
Tree Fruit Insect Pest - Yellownecked Caterpillar - Articles Articles
The yellownecked caterpillar is a key pest of shade trees. This insect is also destructive on the foliage of blueberry, apple, and other fruit trees. More
James B. Hanson, USDA Forest Service, Bugwood.org
White Pine Weevil - Articles Articles
The white pine weevil is considered the most destructive insect pest of eastern white pine in North America. More
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