Darwin wasps of the subfamily Pimplinae (Hymenoptera: Ichneumonidae) of Mexico: Ephialtes genus-group Author Khalaim, Andrey I. 0000-0003-1802-2649 Facultad de Ingeniería y Ciencias, Universidad Autónoma de Tamaulipas, Cd. Victoria, Tamaulipas, Mexico. & Zoological Institute of the Russian Academy of Sciences, St. Petersburg, Russia. akhalaim@gmail.com Author Ruíz-Cancino, Enrique 0000-0003-4305-6568 Facultad de Ingeniería y Ciencias, Universidad Autónoma de Tamaulipas, Cd. Victoria, Tamaulipas, Mexico. text Zootaxa 2022 2022-07-29 5169 3 201 251 journal article 10.11646/zootaxa.5169.3.1 2cbc0f84-2011-4e7c-868f-6c305d5f3308 1175-5326 6952172 BB6FBD07-6B8B-4615-BD66-C4AEB612145F 2. Dolichomitus dolichosoma ( Viereck, 1912 ) ( Figs 18–19 ) Ephialtes dolichosoma Viereck 1912: 637 [ holotype ( USNM ), USA , North Carolina , Tryon , “No. 3075E, Hopk. U.S., Castanea dentata , W. F. Fiske collector.”, No. 14740]. References. Townes & Townes 1951: 189 [ Pimpla (comb.); catalogue]. Townes & Townes 1960: 116 [ Dolichomitus ; USA ]. Ruíz-Cancino et al . 2002: 645 [checklist; Mexico ]. Material examined. MEXICO . Nuevo León : 3 ♀ ( FSCA ) ca. Monterrey , Mesa de Chipinque , 19–22.vi.1976 , coll. C. Porter. Tamaulipas : 15 km SSW of Cd. Victoria , El Madroño , coll. E. & J. Ruíz-Cancino (all in UAT) : iv.1984 ( 1 ♀ , 1 ♂ ), v.1984 ( 2 ♀ ), xi.1984 ( 1 ♀ ), xii.1984 ( 2 ♀ ), iv.1985 ( 1 ♀ ). 1 ♀ ( ZISP ) same locality, 26.i.2013 , coll. A.I. Khalaim. 1 ♀ (UAT) SSW Cd . Victoria, Rancho Santa Elena , 23º37.362’N , 99º12.746’W , 970 m , Malaise trap , 16–29.iii.2011 , coll. E. Ruíz-Cancino & J.M. Coronado-Blanco. Remarks. The species belongs to the taeniatus species-group comprising three Nearctic species, the Cuban D. rufescens (Cresson) and the Costa Rican D. grilloi Gauld. Variation. One female from El Madroño collected by A.I. Khalaim, possesses hind coxa moderately fuscous. Distribution. USA (east and centre), Mexico ( Nuevo León , Tamaulipas ).