Compsodryoxenus brunneus Ashmead

GALL. — None, or only a very slight swelling of the stem. The larval cells are elongate, averaging 2.5 mm. long by hardly 1.0 mm. wide, embedded in the wood, with the lining hardly distinct, and not at all separable. Mostly on young twigs of white oaks.

RANGE.— California.

Compsodryoxenus brunneus variety atrior, new variety

GALL. — None, or a slight swelling; the larval cells embedded in the wood; quite as in the other variety. On Quercus lobata.

RANGE. — California: Byron. Probably occurs thruout the range of Quercus lobata (and not improbably Q. Douglasii) .

- Alfred Charles Kinsey: (1922) Studies of some new and described Cynipidae (Hymenoptera)^©

Reference: https://www.biodiversitylibrary.org/page/45387508#page/111/mode/1up