Atrusca dugesi (Mayr, 1886)

Figs 249–261

Synonymy
Dryophanta dugesi Mayr, 1886: 370.
Cynips (Atrusca) dugesi (Mayr): Kinsey 1930: 278, female, gall.
Cynips dugesi variety dugesi (Mayr): Kinsey 1930: 281, female, gall.
Cynips dugesi dugesi (Mayr): Kinsey 1936: 109, female, gall.
Atrusca dugesi (Mayr): Pujade-Villar, 2009: 818.

Types examined

According to Melika & Bechtold (2001) Mayr’s type of Dryophanta dugesi was not found in the Mayr collection at the Natural History Museum in Vienna where the collection is deposited.

Material examined

Two females “San Felipe, Gto 8000’, 20Sw, Mex., gall 12.7.31, 7 females 2.15.32”, “Q. jaralensis Kinsey coll.”, “Cynips dugesi Kinsey det. ‘33”, deposited in the general collection in AMNH, NYC, examined by GM.

Gall (Fig. 261)

The gall is similar to galls of Kinsey’s bella and dugesi complexes. Mature galls rosy tan, unspotted, weakly shining, up to 21 mm, in average 17 mm in diameter. The gall pic from https://www.gallformers.org/gall/3392 by Juan Carlos López Domínguez on Q. microphylla.

Biology

The asexual generation is only known to induce leaf galls on Q. jaralensis [syn. of Quercus potosina], Q. microphylla. Galls mature in autumn; adults emerge in February–March next year.

Distribution

Mexico: Guanajuato.

- 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)^©