Bassettia tenuana, new species

Host. — Quercus gainbelii Nuttall.

Gall. — Similar to those of Compsodryoxenus tenuis Weld. The insects gnaw individual exit holes through the brown bark, which after a year or two becomes cracked and rough.

Type locality. — Las Vegas, New Mexico. Galls were collected in a patch of runner oak of an unknown species on April 4, 1918. They then contained adults, and living flies were cut out which bear Hopkins U. S. No. 15601 dl . On April 19 similar galls were collected at Flagstaff, Arizona, on Quercus gambelii. They contained similar adults, which issued April 10-16 and bear Hopkins U. S. No. 15601 d .

- LH Weld: (1921) American gallflies of the family Cynipidae producing subterranean galls on oak^©

Reference: https://www.biodiversitylibrary.org/page/7562993#page/286/mode/1up