Review of the Mexican species of Disholcaspis Dalla Torre & Kieffer with the description of eleven new species.

Disholcaspis Dalla Torre & Kieffer, 1910 is reviewed for the first time in Mexico. A total of 23 species have been studied, 12 previously known species, 11 new species, and one new synonym: D. brasoae Cuesta-Porta, sp.

Reticulodermis lithogalla gen. nov. and sp. nov. of oak gall wasp from Mexico (Hymenoptera, Cynipidae).

A new genus of oak gall wasp, Reticulodermis Pujade-Villar, Cuesta-Porta & Melika gen. nov. and a new species R.

Description of two new species of the Torymus advenus species group (Hymenoptera: Torymidae) from Mexico.

Two new species of Torymus (Hymenoptera: Torymidae) belonging to the advenus species group, Torymus tumoralis Martínez-Romero, Janšta & Pujade-Villar, sp. nov., and T.

Description of Neuroandricus a new genus of gall wasp (Hym.: Cynipidae) and a new species of associated Sycophila (Hym.: Eurytomidae).

A new genus of oak gall wasps, Neuroandricus Pujade-Villar & Melika, gen. nov., with one new species, N.

Oviposition biology, behavior, and avocado cultivar preferences of Heilipus lauri Boheman (Coleoptera: Curculionidae).

Heilipus lauri is a specialist avocado seed feeding weevil native to parts of México and is an invasive pest in Colombia. This weevil is considered an incursion risk because possible unintended introductions into areas outside of its native range can result in establishment, which threatens avocado production in invaded regions. Despite being a well-recognized pest of avocados, relatively little is known about oviposition biology, behavior, and cultivar preferences of this weevil.