douglas fir needle midge





Lorsban Advanced (chlorpyrifos) Restricted Use Pesticide. 62719-591. OR-090008 Aerial Appl. Additional Restrictions: Douglas fir needle midge, spider mites, & aphids

 

Statewide Christmas Tree ICM Extension Educator, Jill douglas fir needle midge O'Donnell discusses Douglas-fir needle midge in Christmas trees. Including how to control the pest. For.

The Douglas-fir needle midge can be a very destructive pest of Douglas-fir. Infestation of new needles can be as high as 100 percent. Severe infestations can cause intolerable .

Jill O

Insect Advice from Extension. Fact Sheets; Animals; Christmas Trees. Insect Information. Images of Common Christmas Tree Insect Pests; Pest Fact Sheets from Penn State and PDA

Penn State College of Agricultural Sciences; Pest Alert: Douglas-Fir Needle Midge; Rayanne D. Lehman; University of Ilinois Extension; Douglasfir Pseudotsuga menziesii

Douglas-fir needle midge, Cooley spruce gall adelgid, and occasionally aphids cause damage to Douglas-fir foliage. Comparison of Needle Problems of Douglas-Fir

ORNAMENTALS NORTHWEST ARCHIVES Douglas-Fire Needle Midge. ..Determining a Spray Schedule Through Use of a Midge Trap,Vol. 6, Issue 1

. Extension Publication PNW 6 (Oregon State University, revised 1985). 75� West, Kenneth J., Jack D. DeAngelis, and Ben Simko, The Biology and Control of the Douglas-fir Needle Midge .

Pest description and crop damage Gray-black scale. Hosts: Douglas-fir . Christmas tree (Douglas-fir)

On Douglas-fir, damage may be similar to that caused by Douglas-fir needle midge, Rhabdocline, Swiss needle cast, or aphids. References. Anonymous. 1982.

PCTGA Report: Leading Research Problems & Priorities in PA Christmas Tree Industry; Revised Tedder Trap Plans; Pest Alert - Douglas Fir Needle Midge

. branch nodes Balsam twig aphid Adults True fir, especially grand Small greenish aphids in tops or along branches, twisting of douglas fir needle midge new growth Douglas fir needle midge Adults Douglas fir Trap .

Pest description and crop damage The adult Douglas-fir needle midge is a small fly. douglas fir needle midge Three different midges infest Douglas-fir: one species feeds near the needle base, one feeds .

Invasive Species: any species of insects, animals, plants and pathogens, including its seeds, eggs,
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