Phradis vespertinus Khalaim, 2007

Khalaim, Andrey I., 2022, Tersilochinae (Hymenoptera: Ichneumonidae) of Japan: two new species, a new combination and 23 new country records, Zootaxa 5174 (4), pp. 301-330 : 310

Phradis vespertinus Khalaim, 2007

( Figs 22–28 )

Remarks. This species was described in the identification key from a single female ( Fig. 22 ) collected in Primorsky Reg. of Russia ( Khalaim 2007: 585). Two females are recorded in this work from Japan; brief description and colour photographs of the species are provided.

Diagnosis. Flagellum with 14 flagellomeres, entirely dark brown to black ( Fig. 24 ). Mesopleuron with thin, sharp and almost straight foveate groove in its anterior 0.6 ( Fig. 25 ); mesopleuron distinctly punctate on smooth and shining background centrally (above foveate groove). Propodeum with basal area distinctly widened anteriorly; apical area in anterior part narrow, widened posteriorly ( Fig. 26 ). First metasomal tergite polished, round in crosssection ( Fig. 25 ). Second tergite very long, 3.2 times as long as broad anteriorly ( Fig. 27 ). Thyridial depression very long ( Fig. 27 ). Ovipositor with very weak dorsal subapical notch or depression ( Fig. 28 ).

Material examined. JAPAN. Honshu I.: 2 ♀ ( NIAES) Yamagata Pref., Oguni-machi, Chôjagahara, 7. VI.1980, coll. K. Maetô.

Distribution. Russian Far East; in Japan known from Honshu I. First record from Japan.

Figures

FIGURES 20–22. Phradis hikosanus, ♀: 20—habitus, lateral; 21—head, mesosoma and base of metasoma, lateral. Phradis vespertinus, holotype, ♀: 22—habitus, lateral.

FIGURES 23–28. Phradis vespertinus, ♀ (Japan): 23—habitus, lateral; 24—head with antenna and anterior part of mesosoma, lateral; 25—mesosoma and base of metasoma, lateral; 26—propodeum, dorso-postero-lateral; 27—second tergite, dorsal; 28— ovipositor, lateral.