Cupressatia thujae
The inducer of this gall is unknown or undescribed.
Family: Cecidomyiidae | Genus: Cupressatia
Hosts: Thuja pilcata
Detachable: integral
Color: brown, green, black, tan
Texture:
Abundance:
Shape: conical
Season: Summer, Fall
Related:
Alignment:
Walls:
Location: fruit
Form: hidden cell
Cells:
Possible Range:i
Common Name(s): Cone Gall Midge
Synonymy: Name
▲Notes
Phytophaga thujae
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.
Hedlin, A. F. (1964). Life History and Habits of a Midge, Phytophaga thujae Hedlin (Diptera: Cecidomyiidae) in Western Red Cedar Cones. The Canadian Entomologist, 96(07), 950–957.
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Exterior damage becomes more noticeable when larvae have been feeding for a few weeks. The scale margins split and turn brown. This damage is accentuated in mature infested cones which are often smaller than normal cones. Tissues inside the cone become darkened wherever feeding has occurred.
”- A. F. Hedlin: (1964) Hedlin, A. F. (1964). Life History and Habits of a Midge, Phytophaga thujae Hedlin (Diptera: Cecidomyiidae) in Western Red Cedar Cones. The Canadian Entomologist, 96(07), 950–957.©
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