Types of the genus Exochus Gravenhorst, 1829 (Hymenoptera: Ichneumonidae Metopiinae) deposited at the Schmalhausen Institute of Zoology of National Academy of Sciences of Ukraine Author Varga, Oleksandr text Zootaxa 2021 2021-06-14 4985 2 173 193 journal article 5869 10.11646/zootaxa.4985.2.2 f8df9064-3236-42d0-b335-2141cd1fc735 1175-5326 4943091 8DBBBE6B-B212-4D84-873F-FDEEA44FD491 Exochus gratus Tolkanitz, 2003 ( Fig. 7 ) Material examined. Holotype : female, RUSSIA , Sakhalin Region : Novo-Aleksandrovsk , 17.vii.1986 , leg. M. Nesterov (deposited in: SIZK ). Diagnosis. Exochus gratus is characterized by the combination of the following characters: face not strongly swollen, black with a yellow line along apical margin; frons along eye orbits yellow (not reaching the level of the apical ocellus); yellow marks opposite to lateral ocelli not elongated; clypeus with apical margin straight; occipital carina absent dorsally; meso- and metasoma black except upper hind corner of pronotum and subtegular ridge yellow; propodeum with area superomedia closed apically, costulae absent; fore wing with vein cu-a strongly distad of Rs&M by about 0.4 of own length; third laterotergite more-or-less rounded from the proximal end; legs generally orange-yellowish, hind tibia whitish centrally, fuscous basally and apically. Distribution. Currently known only from the Sakhalin Island of Russia ( Tolkanitz 2007a ). Remarks. According to Yu et al . (2016) the holotype of this species is deposited at the Zoological Institute of RAS, but actually it is in Kyiv which is metioned in Zerova et al. (2006) . This species is placed in a group of species with whitish basally hind tibia in the key of Tolkanitz (2007a) (couplet 161). After examination of the holotype it was found that hind tibia basally narrowly fuscous.