Atrusca congesta (agamic)

Family: Cynipidae | Genus: Atrusca
Detachable: detachable
Color: pink, red, tan
Texture:
Abundance:
Shape: globular, sphere
Season: Fall, Winter
Related:
Alignment:
Walls: thin, radiating-fibers
Location: lower leaf, leaf midrib, on leaf veins
Form: oak apple
Cells: monothalamous
Possible Range:i
Common Name(s):
Synonymy:
Name
Notes
Cynips bella congesta
missing image of Atrusca congesta (agamic)

Review of the Nearctic and Neotropical genus Atrusca Kinsey, 1930 (Hymenoptera: Cynipidae, Cynipini)

Atrusca congesta (Kinsey, 1930)

Figs 200–206

Synonymy
Cynips bella variety congesta Kinsey 1930: 292, female, gall.
Atrusca congesta (Kinsey): Weld 1951: 638.

Types examined

HOLOTYPE female Cynips bella var. congesta “Alpine, Tex. 12.14.19, gall 12.14.19”, “Q. grisea, Kinsey coll.”, red “Cynips congesta, Holo- Paratype”, deposited in AMNH, NYC, examined by GM. Three PARATYPE females, deposited in the general collection of AMNH, NYC, were designated by Kinsey (1930) and examined by GM.

Material examined

One female “Marfa 22S, Tex., gall 10.13.39”, “Q. grisea Kinsey coll.”, “Cynips congesta det. Kinsey ‘36” examined by GM and was compared to the holotype.

Gall (Fig. 206)

Similar to galls of bella and dugesi complexes; impossible to distinguish from other galls of the two complexes. Globular gall with unspotted surface.

Biology

The asexual generation is only known to induce leaf galls on Q. grisea. Galls mature in late autumn; adults start to emerge from December.

Distribution

USA: Texas.

- VICTOR CUESTA-PORTA, GEORGE MELIKA, MAR FERRER-SUAY, ALEXIS VERA-ORTIZ, JULI PUJADE-VILLAR: (2025) Review of the Nearctic and Neotropical genus Atrusca Kinsey, 1930 (Hymenoptera: Cynipidae, Cynipini)©


Further Information:
Author(s)
Year
Title
License
Alfred Charles Kinsey
1929
https://creativecommons.org/publicdomain/mark/1.0/
VICTOR CUESTA-PORTA, GEORGE MELIKA, MAR FERRER-SUAY, ALEXIS VERA-ORTIZ, JULI PUJADE-VILLAR
2025
https://creativecommons.org/publicdomain/mark/1.0/

See Also:
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