See All Pest, Disease and Weed Identification

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Louis Tedders, USDA Agricultural Research Service, Bugwood.org
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
Whitney Cranshaw, Colorado State University, Bugwood.org
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
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, Bugwood.org
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
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
Anyi Mazo-Vargas, University of Puerto Rico, Bugwood.org
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
Invasive Pigweeds: Palmer Amaranth and Waterhemp
Invasive Pigweeds: Palmer Amaranth and Waterhemp - Articles Articles
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