Diplolepis operta, new species

Host. — Quercus lobata.

Gall. — A seed-like cell hidden under the bud scales as in the case of the preceding species but broadest at the base and tapering gradually to a conical and much more pointed apex which lacks a scar. It has a smoother tan-colored surface and a much thinner wall (.05 mm). Length 2.8 mm. by 1.2 mm. in diameter near base, reaching much nearer to the apex of the bud than the preceding. Exit hole .9 mm. in diameter, in side of bud. One or rarely two in a bud.

Habitat. — Cottonwood, Calif. Reared in January and early February

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

Reference: https://www.biodiversitylibrary.org/page/7610635#page/297/mode/1up