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Hop-Omnivorous leaftier Cnephasia longana Pest description and crop damage Caterpillars are up to 0.6 inch long and light cream to gray, with a light stripe on each side of the back. The head is brown. They feed on terminal hop buds causing lateral growth ...

Hop-Prionus beetle Prionus californicus Pest description and crop damage Adult beetles are brown, 1.5 to 3.5 inches long and 0.75 inch wide. Antennae are long and sweeping and may be saw-like. Larvae are legless white grubs 0.25 to 3 inches long. The head ...

Hop-Root weevil Includes Black vine weevil (Otiorhynchus sulcatus) Rough strawberry root weevil (Otiorhynchus rugosostriatus) Strawberry root weevil (Otiorhynchus ovatus) Pest description and crop damage Larvae are legless white grubs with tan heads. They ...

Hop-Spider mite Twospotted spider mite (Tetranychus urticae) Pest description and crop damage Adults are small, eight-legged, spider-like arthropods. They are pale green to yellowish to reddish, often with a dark spot on each side of the body. They suck p ...

Hop-Western spotted cucumber beetle Diabrotica undecimpunctata Pest description and crop damage Yellowish green, black-spotted beetles. They feed on foliage and growing tips and occasionally feed on hop cones. A pest in western Oregon and western Washingt ...

Hop-Hop Flea Beetle Psylliodes punctulatus Pest description and crop damage Adults are about 0.083 (1/12) inch long, metallic black beetles, that when disturbed jump like a flea. Adults feed on leaves primarily in the spring causing shothole damage. Sever ...

Mint-Aphid Includes mint aphid (Ovatus crataegarius) Pest description and crop damage Wingless forms are apple green to yellow-green sometimes with mottled, darker markings and are 1.5 to 2mm in length. Winged forms have a dark brown head and thorax. Larg ...

Mint-Alfalfa looper and cabbage looper Includes Alfalfa looper (Autographa californica) Cabbage looper (Trichoplusia ni) Pest description and crop damage Larvae of both species are pale green with white lines on backs and sides. Larvae have three pairs of ...

Mint-Armyworm and cutworm Bertha armyworm (Mamestra configurata) Mint cutworm (Heliothis phloxiphaga) Spotted cutworm (Xestia c-nigrum) Variegated cutworm (Peridroma saucia) See also: Mint-Redbacked cutworm Pest description and crop damage Variegated cutw ...

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. ...