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 1. Iseropus hylesiae Kasparyan, 2006 ( Figs 29–31 ) Iseropus hylesiae Kasparyan 2006: 210 [ holotype ♀ ( UAT ), Mexico , Tlaxcala , Huamantla , ex Hylesia iola Dyar , viii.2001 ; ♀ ♂ , Mexico (Hidalgo, Chiapas)]. Material examined. MEXICO . Sinaloa : 1 ♀ ( EMEC ) 8 mi. W of El Palmito , 6000 ft. (= 1830 m ), at light , 12.x.1975 , coll. J. Powell et al . Querétaro : 1 ♀ ( UNAM ) S of Amealco de Bonfil , San Pedro Tenango , 20º08’12”N , 100º06’37”W , 2518 m , 24.x.2007 , coll. H. Brailovsky & L. Cervantes. 1 ♀ ( UAQ ) Municipio Colón , Los Trigos , Cerro El Zamorano Mt. , 12.iii.1997 , coll. Eliut Hurtado. Hidalgo : 1 ♀ ( ZISP ) SW of Prismas Basalticos , 20.204738ºN , - 98.612887ºW , forest, 28.vii.2021 , coll. A.I. Khalaim. 1 ♀ ( UAT ) Acaxochitlán , pine-oak forest, 21.vii.1995 , coll. C.A. Covarrubias D. & S. Hernández A. D.F. : 2 ♀ , 1 ♂ ( UNAM ) “ La Villa Sur del D.F. Agosto , 1962 ” . Diagnosis. Submetapleural carina absent. Pronotum with white stripe along its dorsal margin ( Fig. 30 ). Fore wing with pterostigma brownish yellow ( Fig. 29 ). Face of male black. Female with ovipositor sheath 1.6–1.7× as long as hind tibia ( Fig. 29 ). Distribution. Mexico ( Sinaloa , Querétaro , Hidalgo , D.F., Tlaxcala , Chiapas ). Biology. Specimens from Tlaxcala were reared from Hylesia iola Dyar ( Lepidoptera : Saturniidae ), and specimens from Chiapas from the nest of Hylesia sp. on Arbutus xalapensis Kunth (Ericaceae) ( Kasparyan 2006 ).