Darwin wasps of the subfamily Pimplinae (Hymenoptera: Ichneumonidae) of Mexico: Ephialtes genus-group Author Khalaim, Andrey I. Facultad de Ingeniería y Ciencias, Universidad Autónoma de Tamaulipas, Cd. Victoria, Tamaulipas, Mexico. & Zoological Institute of the Russian Academy of Sciences, St. Petersburg, Russia. Author Ruíz-Cancino, Enrique 0000-0003-4305-6568 Facultad de Ingeniería y Ciencias, Universidad Autónoma de Tamaulipas, Cd. Victoria, Tamaulipas, Mexico. & https: // orcid. org / 0000 - 0003 - 4305 - 6568 text Zootaxa 2022 2022-07-29 5169 3 201 251 journal article 112030 10.11646/zootaxa.5169.3.1 2cbc0f84-2011-4e7c-868f-6c305d5f3308 1175-5326 6952172 BB6FBD07-6B8B-4615-BD66-C4AEB612145F Ephialtes genus-group Nine genera of the Ephialtes genus-group with 37 species are found to occur in Mexico . Seven species are described as new to science, two genera ( Acropimpla and Endromopoda ) and four species are recorded from Mexico for the first time.