Andricus ruginosus (agamic)
The inducer of this gall is unknown or undescribed.
Hosts: Quercus gambelii / Quercus turbinella
Detachable: integral
Color: black
Texture: bumpy, hairless
Abundance:
Shape: globular
Season:
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Alignment:
Walls:
Location: stem
Form: abrupt swelling
Cells:
Possible Range:i
Common Name(s):
Synonymy: Name
▲Notes
A. (Callirhytis) ruginosus
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.
New Species of North American Cynipidae (1890)
“
Andricus (Callirhytis) ruginosus n.sp.
A hard, round knot, nearly an inch in diameter, near the tip of a slender twig of Q. (virens?) The surface rough and blackened and deeply and irregularly fissured, probably by drying, with several holes made by the escaping insects. Polythalamous, the walls of the numerous larval cells not separable from the firm, but rather open cellular tissues around them. This gall resembles those of A. Suttonii, but is much more rough, and is entirely destitute of woody fibre.
Sent me by Mr. Howerton from New Mexico. Five gall-flies reared ; all females.
”- HF Bassett: (1890) New Species of North American Cynipidae (1890)©
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