Penn State Extension

9 Results

List Grid

Japanese beetle on raspberries. Photo: Kathy Demchak, Penn State
Vegetable - Small Fruit Production Issues: July 12, 2018 - News News
Downy mildew was confirmed on cucumber in Mifflin County on July 11. Warmer weather throughout the state is helping crops along, but has also been good for insect pests. 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
Source: Pennsylvania Department of Conservation and Natural Resources - Forestry, Bugwood.org
Tree Fruit Insect Pest - Pear Thrips - Articles Articles

Tree Fruit Insect Pest - Pear Thrips

Grzegorz (Greg) Krawczyk, Ph.D.

Pear thrips, Taeniothrips inconsequens, was introduced early this century, probably from Europe. More
E. Bradford Walker, Vermont Department of Forests, Parks and Recreation, Bugwood.org
Pear Thrips in Pennsylvania - Articles Articles
The pear thrips is native to Europe. Since the 1980s, the pear thrips has been recognized as a forest tree pest in Pennsylvania, particularly damaging sugar maples. More
Whitney Cranshaw, Colorado State University, Bugwood.org
Onion Thrips - Articles Articles
Onion thrips, Thrips tabaci, are cosmopolitan insects, feeding on a wide variety of vegetable plants, small grains, field crops and weeds. More
Whitney Cranshaw, Colorado State University, Bugwood.org
Thrips on Cabbage - Articles Articles
The onion thrips, Thrips tabaci Lindeman, is a cosmopolitan insect and one of the most important and destructive pests of cabbage in Pennsylvania. More
Once sticky cards are placed in plastic bags, a marker can be used to highlight and count important insects.
Common Insects Found on Sticky Cards in High Tunnels - Articles Articles

Common Insects Found on Sticky Cards in High Tunnels

Elsa Sanchez, Ph.D., Kathleen Ayers

Using sticky cards is an important component of scouting for insects in high tunnels. More
Source: Frank Peairs, Colorado State University, Bugwood.org
Tree Fruit Insect Pest - Western Flower Thrips - Articles Articles

Tree Fruit Insect Pest - Western Flower Thrips

Grzegorz (Greg) Krawczyk, Ph.D.

Widespread fruit loss from western flower thrips, Frankliniella occidentalis, was first observed in early 1990. More