Nichollsiella sulcata, comb. nov.

Cynips sulcatus
Cynips sulcata
Disholcaspis sulcata

Hosts: Quercus arizonica, oblongifolia, pungens, rugosa, toumeyi, turbinella, undulata

[A photo of the gall appears on page 47 of the pdf]

Gall. (Figs 140–141). Detachable, monolocular, spherical or subglobular, base of the gall with a petiole, greater than 12 mm diameter, singly on leaf petiole, surface of the mature gall smooth. Parenchyma of the gall is granular, the larval chamber spherical, usually in the center of the gall, occassionally eccentric; soft and pubescent, up to 7.0–7.8 mm in diameter. The growing gall is light green or yellowish-red; mature galls are faded green to light brown (Burnett 1977).

Biology. Galls develop in spring, mature in summer; adults emerge in autumn. Galls on Q. arizonica, Q. oblongifolia, Q. pungens, Q. rugosa, Q. toumeyi, Q. turbinella, Q. undulata (Burnett 1977, Burks 1979, authors).

Range: AZ, NM

- George Melika, Juli Pujade-Villar, James Nicholls, Victor Cuesta-Porta, Crystal Cooke-McEwen, Graham Stone: (2021) Three new Nearctic genera of oak cynipid gall wasps (Hymenoptera: Cynipidae: Cynipini): Burnettweldia Pujade-Villar, Melika & Nicholls, Nichollsiella Melika, Pujade-Villar & Stone, Disholandricus Melika, Pujade-Villar & Nicholls; and re-establishment of the genus Paracraspis Weld^©