Amphibolips bromus, n. sp.

[Photos of this gall appear on page 39 of the pdf]

Gall (Fig. 14H). A very thin and elongate bud gall, about 50 mm long, with greatest width near the middle, up to 4 mm wide; elongate and thin petioles widening near median part, pointy apex gradually tapering from middle part. The gall is thin-walled, with a smooth and naked surface; thin spongious layer internally surrounding the central ovate larval chamber, with mature galls having a length of 5.0–6.5 mm.

Hosts. Quercus affinis, Q. crassipes.

Biology. Only the females are known. The mature gall was collected in May; adults emerged by the end of May.

Distribution. Mexico: Hidalgo and Mexico States.

- Victor Cuesta-Porta, Armando Equihua-Martinez, Edith Estrada-Venegas, David Cibrian-Tovar, Uriel Barrera-Ruiz, Salvador Ordaz-Silva, Imelda Virginia Lopez Sanchez, George Melika, Juli Pujade-Villar: (2020) Revision of the Amphibolips species of the 'nassa' complex from Mexico and central America (Hymenoptera: Cynipidae)^©