Eumayria herberti, new species

Hosts: Quercus kelloggii; the same sort of cells were noted in Quercus agrifolia and wislizenii

Gall: Cells in the peripheral layer of wood just under the normal bark of vigorous shoots 2 cm or less in diameter. Single cells measure 3 mm by 1 mm, the long axis parallel with long axis of twig, the exit holes .7 mm in diameter. If several cells lie close together their shape is somewhat distorted and a slight swelling may be visible on surface.

Range: CA

- LH Weld: (1926) Field notes on gall-inhabiting cynipid wasps with descriptions of new species^©

Reference: https://www.biodiversitylibrary.org/page/7610635#page/377/mode/1up