Callirhytis cistella

Quercus emoryi, hypoleuca [hypoleucoides]
Acorn galls
Fig 16.

Callirhytis cistella, new species

Host. — Quercus emoryi.

Gall (pi. 17, fig. 22). — A stalked, fusiform, pip gall beside young acorns July to October. Spindle shaped, brown, 3 by 5 mm. tapering at both ends, cavity large, wall thin.

Habitat. — The type was reared from a gall collected October 4, 1935, at Cherry, Ariz., by Mrs. N. W. Capron. A paratype emerged April 14, 1951, from a gall she collected at Prescott, Ariz., on September 20, 1950. Galls have been seen at Oracle, Ariz., and in Burro Mountains in New Mexico; seen also on Quercus hypoleuca at Patagonia, Bisbee, and in Huachuca and Chiricahua Mountains in Arizona.