Contarinia oregonensis
The inducer of this gall is unknown or undescribed.
Family: Cecidomyiidae | Genus: Contarinia
Hosts: Pseudotsuga menziesii
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Location: fruit
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Our ID Notes may contain important tips necessary for distinguishing this gall from similar galls and/or important information about the taxonomic status of this gall inducer.
Cone and Seed Insect Pest Leaflet No. 2--DOUGLAS-FIR CONE GALL MIDGE (Contarinia oregonensis)
“
Larvae develop within cones in distinctive galls at the bases of cone scales adjacent to seeds. One cone may harbour hundreds of gall midge larvae. Affected cone scales turn reddish brown toward the end of summer.
[See leaflet for photos.[
”- Forest Genetics Council of British Columbia: (accessed 10/31/2022) Cone and Seed Insect Pest Leaflet No. 2--DOUGLAS-FIR CONE GALL MIDGE (Contarinia oregonensis)©
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