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Wood-infesting pests-Ant Ants are found everywhere and, like termites, bees, and wasps, are social insects that live in colonies consisting of thousands of individuals. Because they are so numerous, pest management companies rate ants as the number one in ...

Wood-infesting pests-Beetle Beetles are the most diverse group of insects on earth and yet, only a few species are important as structural pests. Given the long duration that beetle larvae feed within wooden timbers, they can cause extensive damage to hou ...

Wood-infesting pests-Termite Termites are among the most important structural insect pests in the PNW, rivaled only in certain areas by carpenter ants. They feed on wood, paper, cardboard, and other cellulose-containing material. Experts have estimated th ...

Wood-infesting pests-Wasp Wood-boring wasp ("horntail") Siricidae Adult female wasps are large and thick-waisted, with a hornlike ovipositor at the end of the abdomen. They sometimes emerge from recently milled dimension lumber in newly construc ...

Mint-European cranefly Tipula paludosa Pest description and crop damage Larvae are called leatherjackets because of the leathery appearance of the cuticle. They feed on roots and underground rhizomes from fall through spring months. In western Oregon, T. ...

Turfgrass-Earthworm Includes nightcrawler (Lumbricus terrestris) Pest description and crop damage Earthworm bodies are long and worm-like, usually from one to six inches long. The body is segmented. Earthworms are beneficial in soil for aeration, water pe ...