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Peach and nectarine-Peachtree borer Synanthedon exitiosa Pest description and crop damage The adult male is a steel-blue, clear-winged moth with an approximately 1-inch wingspan. The female is similar in appearance but has smoky-colored wings and an orang ...

Peach and nectarine-Peach twig borer Anarsia lineatella Pest description and crop damage Peach twig borer is a European insect first found in California in the 1880s. It is a major pest of apricots, peaches, plums, and prunes. There are no known hosts out ...

Peach and nectarine-Scale insect Includes European fruit lecanium scale (Parthenolecanium corni) San Jose scale (Quadraspidiotus perniciosus) Pest description and crop damage Lecanium scales are up to 0.2 inch across, reddish brown, and rounded. They rese ...

Peach and nectarine-Shothole borer Includes Ambrosia beetle (Xyleborinus spp.) Shothole borer (Scolytus rugulosus) Pest description and crop damage Shothole borers are small beetles that were introduced to North America and have been found in the PNW sinc ...

Peach and nectarine-Spider mite Primarily European red spider mite (Panonychus ulmi) Twospotted spider mite (Tetranychus urticae) Also includes Brown mite (Bryobia rubrioculus) McDaniel spider mite (Tetranychus mcdanieli) Yellow spider mite (Eotetranychus ...

Peach and nectarine-Spotted-wing drosophila Drosophila suzukii For pest description, crop damage, biology, life history, sampling and cultural management See: Spotted-wing Drosophila: An Emerging Berry and Stone Fruit Pest Management-chemical control: HOM ...

Peach and nectarine-Western flower thrips Frankliniella occidentalis Pest description and crop damage Adult thrips are yellowish brown to straw colored and about 0.04 to 0.08 inch long. Nymphs resemble adults but are smaller and lack wings. Thrips feed on ...

Pear-Aphid Includes Apple aphid (Aphis pomi) Apple grain aphid (Rhopalosiphum fitchii) Spirea aphid (Aphis spiraecola) Pest description and crop damage All these aphids are light green in color. Spirea aphid is very difficult to separate from apple aphid ...

Pear-Armyworm and cutworm Includes Bertha armyworm (Mamestra configurata) Spotted cutworm (Xestia c-nigrum) Pest description and crop damage Several species of armyworms and cutworms attack tree fruits. The most serious pests of tree fruit in the PNW are ...

Pear-California pear sawfly Pristiphora abbreviata Pest description and crop damage The California pear sawfly should not be confused with the pear sawfly or pear slug (Caliroa cerasi), which is also a sawfly, but whose larvae are slug-like. The larvae of ...