Lathrolestes tolstoyi sp. nov.

Figs 52–57.

Diagnosis. This species differs from the closely related L. luteolator (Gravenhorst, 1829) and L. nigronitens sp. nov. by matt coarsely punctate head and mesopleuron (Fig. 52).

Description. Female. Body length 9 mm. Antenna with 36 flagellomeres. Scape 0.64 × as long as wide. Head not narrowed behind eyes, matt, distinctly punctate. Maximum length of temple 0.9 × transverse eye diameter; minimum length of temple 0.69 × transverse eye diameter. Face 1,12 × height of eye; in dorsolateral profile convex, medially not bulging. Clypeus separated by impression; at apex projecting slightly anteriorly; distinctly, rare and deeply punctate, setose. Apical margin of clypeus obtuse. Tentorial fossa not large but elongate. Malar space 0.4 × basal mandible width. Occipital carina medially complete. Lower mandible tooth longer than upper.

Notaulus distinct. Mesopleuron matt, striate, distinctly and sparsely punctate in lower part and shagreened in upper part (Fig. 52). Claws pectinate with strong teeth (Fig. 53). Fore wing with stigma intersected by radius before its middle. Areolet large, rhombic. Second recurrent vein with single bulla. Nervellus broken rather below its middle. Nervulus slightly postfurcal. Propodeum with carinae complete (Fig. 56).

Metasoma matt. First metasomal tergite 0.63 × as long as apically wide; without shallow median longitudinal impression; bordered by lateral longitudinal carinae; dorsal longitudinal carinae defined at basal half. Second metasomal tergite transverse. Ovipositor straight (Fig. 54).

Color. Female. Body brownish (Fig. 57); Face, malar space and temple reddish-yellow (Fig. 55); base of antenna, tegulae, legs (except base and apex of hind tibia and tarsi); base and apex of hind tibia, 5th article of fore tarsi, middle and hind tarsi brownish; metasomal tergite brown with reddish-yellow maculae on sides. Male unknown.

Material: Holotype, female, Russia, Primorskiy Karay, Benevskoe, S Lazo, 18.viii.1978, D. Kasparyan, (ZIN); Paratype: 1 female, Russia, Primorskiy Kray, 5 km. W Anisimovka, 6–9.viii.1993, S.A. Belokobylskij, (ZIN).

Distribution: Far East of Russia.

Etymology: The species is named for author’s grandfather, Nicolay Antonovitch Tolstoy.