Striatoandricus sanchezi n. sp.
Agamic generation

[A photo of this gall appears on page 17 of the document]

Gall (Fig. 10b): Adheres to the central nerve on the lower face of the rarely leaves on the lower face. It is presented as a mass of brown wool with circular-looking shape, with a non-brittle pubescence, 2.0–2.5 cm diameter. The pubescence is located above the central core forming a layer of 5–7 mm thick. The central polythalamous, light brown, dense and hard, without separating the larval chambers, which are slightly ovoid (1 × 1.5 mm). The number of larval cameras ranges from 7–15.

Biology: Only asexual females are known. The galls appear in August and the adults emerge in March.

Host: It occurs on Quercus magnoliifolia Née (section Quercus), endemic species from México.

Distribution: México (Jalisco)