See All Pest, Disease and Weed Identification

9 Results

List Grid

Invasive Pigweeds: Palmer Amaranth and Waterhemp
Invasive Pigweeds: Palmer Amaranth and Waterhemp - Articles Articles

Invasive Pigweeds: Palmer Amaranth and Waterhemp

William S. Curran, Ph.D., Annie Klodd

Palmer amaranth is a species of pigweed that was recently introduced into PA and has been positively identified on more than 30 sites across the state. More
Alfalfa Weevil
Alfalfa Weevil - Articles Articles
Alfalfa weevil is one of the two most-damaging insect pests of alfalfa in Pennsylvania (the other is potato leafhopper) More
Anyi Mazo-Vargas, University of Puerto Rico,
Clover Root Curculio: A Pest of Alfalfa and Clover - Articles Articles
The clover root curculio is a common insect in Pennsylvania alfalfa and clover fields. More
Pest Alert - Omnivorous Leafroller
Pest Alert - Omnivorous Leafroller - Articles Articles
The omnivorous leafroller has recently been confirmed in a greenhouse in Pennsylvania. Your assistance is needed in monitoring this pest indoors and outdoors in Pennsylvania. More
J.L. Danet, INRA Centre de Recherches de Bordeaux,
Potato Leafhopper on Woody Ornamentals - Articles Articles
The potato leafhopper has been noted on more than 200 host plants, many of which are ornamental plants. However, this insect is best known as a field crop pest. More
Whitney Cranshaw, Colorado State University,
Snailcase Bagworm - Articles Articles
The snailcase bagworm is a moth (family Psychidae) that was accidentally introduced into the United States from Europe in the 1940s. More
Louis Tedders, USDA Agricultural Research Service,
Tarnished Plant Bug - Articles Articles
Plant bugs are a large, diverse family of insects that feed by sucking sap from plants, especially parts with high rates of cell division like buds and flowers. More
Garden Symphylan as a Pest of Field Crops
Garden Symphylan as a Pest of Field Crops - Articles Articles
The garden symphylan is an occasional but destructive pest of field crops. Symphylans are not insects, but are more closely related to centipedes and millipedes. More