Antron madera Lyon, NEW SPECIES

Gall. —Monothalamous, spherical (Figs. 13, 14), small (3 mm diameter); attached to midrib on undersurface of leaf, flattened at point of attachment. Mature galls are slightly wrinkled and have scattered red and white microstellate hairs. The larval cell is centrally located and surrounded by thick nutritive layer that becomes spongy in older galls.

Hosts.—Quercus arizonica and Q. toumeyi.

Antron madera
(Cynips madera)*
Bumpy-apple-gall wasp
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Hosts: Quercus turbinella, arizonica

Galls are distinguished by having sparse hairs along with white or pale yellow micro-bumps across the surface.