Atrusca trimaculosa (agamic)
The inducer of this gall is unknown or undescribed.
Detachable: detachable
Color: brown, orange
Texture: hairy
Abundance: common
Shape: globular
Season: Summer, Fall
Related:
Alignment:
Walls:
Location: lower leaf, leaf midrib, on leaf veins
Form:
Cells:
Possible Range:i
Common Name(s): Woolly Bear Gall Wasp, Woollybear Gall Wasp
Synonymy: Name
▲Notes
Atrusca trimaculosa
Callirhytis trimaculosa
Sphaeroteras trimaculosum (agamic)
Previous name
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.
California Gall-making Cynipidae: With Descriptions of New Species
“
Callirhytis trimaculosa new species
Gall.--Small, reddish-brown, subglobular, covered densely with crystalline spicules, found singly or in clusters of two on the undersides of leaves. Monothalamous. Diameter, 2-5 mm.
Host.--Quercus lobata Nee.
Type locality.--Stanford campus, Santa Slara County, CA
Galls collected in December. Adults emerged in early summer.
”- Mary Isabel McCracken, Dorothy Barnes Egbert: (1922) California Gall-making Cynipidae: With Descriptions of New Species©
Further Information:
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