Melikaiella amphibolensis, n. sp.
sexgen

Host: Quercus mexicana

Gall (Fig. 5a). A leaf gall, on the underside as a deformation of leaf veins (usually the main vein or main and secondary veins together). Plurilocular, elongated, 10-20 x 5-12 mm, yellowish, smooth surface with abundant stellate hairs on sides. Larval chambers (2.1x1.3 mm) disposed transversally, separated by a spongious tissue. The gall becomes hard after adults have emerged. Sometimes, marks of veins can be seen on the surface of the gall. Upper surface of leaf not deformed, sometimes the surface is undulated.

Range: Mexico (DF)

Biology: The galls develop in May and mature in June. Adults start to emerge in July.

- J. Pujade-Villar, D. Cibrián-Tovar, V. D. Cibrián-Llanderal, A. Equihua-Martínez, E. G. Estrada-Venegas, M. Serrano-Muñoz, J. R. Lomeli-Flores: (2014) A new genus of oak gallwasp, Melikaiella Pujade-Villar Hymenoptera: Cynipidae: Cynipini), from the Nearctic region^©