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Nut Crops IMPORTANT NOTICE REGARDING THE USE OF CHLORPYRIFOS: As of 12/15/20, the State of Oregon has adopted new restrictive rules on the use of chlorpyrifos-containing products in Oregon. Please refer to Oregon Department of Agriculture Permanent ...
Chestnut Pests Neil Bell and Nik Wiman Revised:  March 2021 Includes management options for commercial and home use. In all cases, follow the instructions on the pesticide label. The PNW Insect Management Handbook has no legal status, whereas the ...
Hazelnut Pests Nik Wiman and Neil Bell Revised:  March 2021 Includes management options for commercial and home use. In all cases, follow the instructions on the pesticide label. The PNW Insect Management Handbook has no legal status, whereas the ...
Walnut Pests Nik Wiman and Neil Bell Revised:  March 2021 Includes management options for commercial and home use. In all cases, follow the instructions on the pesticide label. The PNW Insect Management Handbook has no legal status, whereas the pesticide ...
Hazelnut-Aphid Filbert aphid (Myzocallis coryli) Hazelnut aphid (Corylobium avellanae) Pest description and crop damage Medium to small aphids that feed on leaves and husks and produce honeydew. Filbert aphid is typically more problematic in Willamette ...
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Hazelnut-Eyespotted bud moth Spilonota ocellana Pest description and crop damage Adults are grayish moths about 0.4 inch long with a wide white band on each forewing. Larvae are chocolate-brown with black heads up to 1 inch long. Larvae spend the winter ...
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Hazelnut-Filbert bud mite Filbert bud mite (Phytocoptella avellanae) Cecidophyopsis vermiformis Pest description and crop damage Also known as big bud mite, these microscopic eriophyid mites feed on and within leaf and flower buds and catkins. Buds swell ...
Hazelnut-Filbert leafroller Archips rosana Pest description and crop damage Adult moths are 0.5 to 0.75 inch long, dark brown, with darker transverse lines on the forewings. The larvae are green with a light to dark brown head. Damage begins early in ...
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Hazelnut-Filbertworm Cydia latiferreana Pest description and crop damage Filbertworm is the key pest of hazelnuts in the Pacific Northwest and a close relative of codling moth, one of the most economically important insects worldwide. Adult moths are gray ...
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Hazelnut-Obliquebanded leafroller Choristoneura rosaceana Pest description and crop damage Bright green caterpillar with a black or brown head. Most feeding is on leaves and the larvae roll leaves together using silk to create protected feeding sites. The ...
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