Andricus santafe Pujade-Villar, 2013
Andricus santafe Pujade-Villar, In Pujade-Villar et al.
(2013b: 192)

Gall (Figs. 4i-k). Large (2.0–7.0 x 1.0–5.0 cm) and hard, plurilocular galls develop on the branches. When young, the galls are olive green in color, transitioning to a light to dark brown color upon maturity. They consist of irregular and woody enlargements that partially surround small twigs and are composed of smaller, distinct and fully fused globular masses. The surface is delicately smooth. The larval chambers (3.0 x 4.5 mm) are irregularly dispersed throughout the gall tissue, with few chambers per gall (2-25, depending on the size of the gall). The walls of the larval chambers are yellowish and thin (though hard). The galls remain on the oak branches for one to two years and darken over time.
Hosts. Quercus laeta (Quercus section).

Biology. Species known only for the asexual generation. Gall development begins in June, maturing in February or March of the following year, during which time the adults emerge.

Distribution. Known only from Santa Fe (Mexico City).

- Uriel Barrera-Ruiz, Victor Cuesta-Porta, David Cibrian-Tovar, Aitor Martinez-Romero, Juli Pujade-Villar: (2021) Avispas agalladoras de los encinos de Santa Fe (Ciudad de México, México) (Hymenoptera, Cynipidae: Cynipini; Fagaceae)^©