Striatoandricus cuixarti n. sp.

[Photos of this gall appear on page 12 of the document]

Gall (Fig. 7b–e): Located in the lower part of the central nerve of the leaf. It appears as a pubescent circular ball of small size (6–9 mm long by 5–6 mm wide), cream-colored sometimes purple. The 2mm thick pubescence is not brittle and completely covers the larval chambers.

Biology: Only asexual females are known. The galls appear in July and the adults emerge in March or April of the following year.

Host: It occurs on Q. frutex Trel. (section Quercus).

Distribution: México (Hidalgo and Estado de México).