Mesochorus (Mesochorus) perforatus Schwenke, 2002

Riedel, Matthias & Varga, Oleksandr, 2022, A checklist of the subfamily Mesochorinae (Hymenoptera, Ichneumonidae) from the Ukrainian Carpathians, Zootaxa 5100 (2), pp. 224-248 : 244-245

publication ID	https://doi.org/ 10.11646/zootaxa.5100.2.3
publication LSID	lsid:zoobank.org:pub:462D5161-912D-4B5C-9F40-20203E5CFDCD
DOI	https://doi.org/10.5281/zenodo.6313344
persistent identifier	https://treatment.plazi.org/id/C10587F7-FFFF-D233-FF51-F8D5B52C362A
treatment provided by	Plazi
scientific name	Mesochorus (Mesochorus) perforatus Schwenke, 2002
status

Treatment

Mesochorus (Mesochorus) perforatus Schwenke, 2002 View in CoL ( Fig. 41 View FIGURES 40–43 )

Material examined. UKRAINE: Ivano-Frankivsk Region: 1 ♀, Chornogora, Nesamovyte , 25 km SW of Vorokhta, 48.130496 N, 24.538212 E, 1700–1750 m, subalpine zone, sweeping, 24.viii.2012, leg. O. Varga ( SIZK) GoogleMaps .

Distribution. Only known from Sweden; first record for Ukraine.

Taxonomical remark. This species is incompletely known, we give a short description here.

Female. Flagellum with 39 flagellomeres, slender; 1 st flagellomere 7.0 × longer than wide and 0.77 × as long as eye; 2 nd flagellomere 5.0 × longer than wide. Temple slightly narrowed behind eye, dorsally 0.8 × as long as eye. Distance between lateral ocellus and eye 1.4 × ocellar diameter. Lower mandibular tooth slightly larger and longer than upper tooth. Malar space 0.4 × as long as width of mandibular base. Mesopleuron with dense punctures ventrally. Area superomedia 2.5 × longer than wide. Area petiolaris slightly longer than wide. Hind femur 5.1 × longer than wide. Hind claw with long basal teeth. Areolet very oblique, vein 2m-cu in the middle. 1 st tergite 3.2 × longer than wide, postpetiolus smooth. 2 nd tergite 1.15 × longer than wide. Thyridium small, oval. Ovipositor sheath 6.0 × longer than wide and 0.8 × as long as hind metatarsus, narrowed in apically 0.3.

Color: Black. Face reddish-brown; clypeus, mandible, malar space and inner orbit yellow-red, outer orbit reddish. Mesosoma black; mesoscutum with central H-shaped red spot; mesopleuron diffusely reddish in dorsal third. Metasoma with 2 nd tergite black, reddish in apical 0.2; 3 rd tergite reddish centrally, brown laterally; following tergites brown with yellow apical margins (vespoid pattern). Legs reddish; hind tibia not distinctly darkened apically. Pterostigma hyaline.