Lathrolestes sachalinensis, Reshchikov, Alexey, 2012

Reshchikov, Alexey, 2012, Review and key to Russian Far East Lathrolestes (Hymenoptera, Ichneumonidae), Zootaxa 3414, pp. 1-32 : 16-19

publication ID	https://doi.org/ 10.5281/zenodo.281927
DOI	https://doi.org/10.5281/zenodo.6176483
persistent identifier	https://treatment.plazi.org/id/03EA3058-B41E-FFDB-22BF-F9BE22CCFE3C
treatment provided by	Plazi
scientific name	Lathrolestes sachalinensis
status	sp. nov.

Treatment

Lathrolestes sachalinensis sp. nov.

Figs 42–44 View FIGURES 42 – 44 .

Diagnosis. This species differs from the closely related L. lucidulus by swollen head, not narrowed behind the eyes, and partly complete propodeal carinae ( Fig. 43 View FIGURES 42 – 44 ).

Description. Body length 7 mm. Antenna with 24 flagellomeres. Scape 0.53 × as long as wide. Head not narrowed behind eyes, matt. Maximum length of temple 0.87 × transverse eye diameter; minimum length of temple 0.52 × transverse eye diameter. Face 0.87 × height of eye; in dorsolateral profile very convex, medially not bulging ( Fig. 42 View FIGURES 42 – 44 ). Clypeus separated by transverse groove; at apex projecting strongly anteriorly; apical margin of clypeus obtuse. Tentorial fossa not large but deep and elongate. Malar space 0.5 × basal mandible width. Occipital carina medially incomplete. Lower mandible tooth longer than upper.

Notaulus absent. Lower part of meseopleuron not punctate, matt, slightly shagreened. Claws pectinate. Fore wing with large brown stigma. Areolet not petiolate. Second recurrent vein with single bulla. Hind wing with nervellus intercepted below middle. Nervulus intersitial. Propodeal carinae partly complete, costula absent ( Fig. 43 View FIGURES 42 – 44 ).

Metasoma shining. First metasomal tergite almost as wide as long, without shallow median longitudinal impression; not bordered by longitudinal carinae. Second metasomal tergite transverse. Male genitalia with paramers wide at base, surpassing apex of metasoma.

Color. Male. Body black ( Fig. 44 View FIGURES 42 – 44 ); Face, malar space, mandibles, base of antenna, lower part of propleuron, prepectus, fore upper edge of mesopleuron at wing, tegulae, fore lower parts of notum, legs (except brown tarsi and apex of tibiae), epipleurae of metasomal tergite yellow. Female unknown.

Material: Holotype male, Russia, Urozhainoe, Antsv. district, Sakhalin, 23.v.1978, Ermolenko, ( ZIN); Paratypes: 1 male, Russia, Urozhainoe, Antsv. district, Sakhalin, 23.v.1978, Ermolenko, ( ZIN)

Distribution: Far East of Russia.

Etymology: The species epithet, sachalinensis , refers to the locality.