WVU Extension agents and specialists field complaints from people and property owners across the Mountain State. Learn about common pests.Browse the Pest Identification Guide
Keep your lawn, garden and buildings pest-free with an integrated pest management strategy. WVU Extension helps prevent, identify and find solutions to problems.
Pest Identification Guide
Eastern Tent Caterpillars
Eastern tent caterpillar larvae are covered with long, soft hairs and are bluish-black in color with a white line running down the back. Moths are reddish-brown in color with two pale lines running across the forewings.
Elongate Hemlock Scale
Elongate hemlock scale is an insect pest that affects several species of coniferous trees. Infestations are unsightly and can cause symptoms like yellowing, needle drop and tree death.
Other Pest Resources
Beautiful in their natural habitat, wildlife can be problematic pests where people live, work and play. Learn what you can do to avoid and control wildlife.
Information for certified and non-certified pesticide applicators, farmworkers and the public to ensure the proper and legal use of pesticides.
Yes it’s true: Genetically engineered mosquitoes
Modifying the genes of mosquitoes can transform these pests into a weapon capable of fighting disease. Zika, dengue and chikungunya are all viral diseases spread by the yellow fever mosquito, Aedes aegypti. Because there are no cures for these viruses, health officials are eager to find new methods to slow their spread. Genetically engineered mosquitoes are being studied as a tool for this reason.
Scientists are modifying the genome of A. aegypti mosquitoes by inserting a gene into the insect that prevents its offspring from surviving to adulthood. This gene, tTAV (tetracycline repressible transactivator variant), makes a non-toxic protein that essentially ties up the machinery inside the insect’s cells, so that genes key to survival are not expressed and the insect dies.
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