Antron douglasii (Ashm.), sex.gen.

Quercus douglasii, dumosa, lobata
Stem galls, bud galls
Fig 76. Succulent, green, thin-walled, with longitudinal stripes and scattered tubercles, 6 mm long, from lateral buds. Appears before young leaves are half-grown.

76. Photo of a dried gall on Q douglasii, drawing from a fresh gall on Q. lobata, Adults had already emerged when the new leaves were not yet half-grown, May 1-15 (Santa Rosa).

Spined-Turban-Gall Wasp
Antron douglasii
(Cynips douglasii)*
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In spring, much less conspicuous, bisexual-generation, monothalamous, round bud galls develop. The bisexual bud galls of this species are succulent and green, but with tubercles scattered over the surface.