Atrusca clivorum (Kinsey, 1930)

Figs 173–185

Synonymy
Cynips centricola variety clivorum Kinsey 1930: 300, female, gall.
Cynips (Atrusca) (centricola) clivorum Kinsey 1936: 181.
Atrusca clivorum (Kinsey): Weld 1951: 638.

Types examined

HOLOTYPE female Cynips clivorum var. centricola “Coolville, Ohio. Gall 10.24.28, 8 fms. 12.9.28”, red “Cynips clivorum, Holo- Paratype”, deposited in AMNH, NYC, examined by GM. Three PARATYPE females “Coolville, Ohio, galls 10.14.28, 5 females 11.13.28”, “Q. stellata Kinsey coll.”, red label “Cynips clivorum. Paratype”, deposited in the general collection in AMNH, NYC, examined by GM.

Gall (Fig. 185)

The gall indistinguishable from other galls of the complex. The gall is always unspotted.

Biology

The asexual generation is only known to induce leaf galls on Q. stellata. Galls mature in late autumn; adults emerge in November–December.

Distribution

USA: Ohio

- 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)^©