Mesochorus rufoniger Brischke, 1880

Riedel, Matthias & Varga, Oleksandr, 2022, A checklist of the subfamily Mesochorinae (Hymenoptera, Ichneumonidae) from the Ukrainian Carpathians, Zootaxa 5100 (2), pp. 224-248 : 241

Mesochorus rufoniger Brischke, 1880 ( Fig. 32 )

Material examined. UKRAINE: Ivano-Frankivsk Region: 1 ♂, Zhbyr , 8 km SW of Bogorodchany, 48.777922 N, 24.456837 E, 405 m, mixed forest, sweeping, 4.v.2013, leg. O. Varga ( SIZK) .

Distribution. Europe; first record for Ukraine.

Taxonomical remark. A species with blackish face and yellowish inner orbits. It has lateral ocellus c. 1.3 × larger than its distance to eye; pronotum, mesoscutum except brown fronto-median spot and scutellum reddish; mesopleuron blackish; pterostigma hyaline (not dark as stated in Schwenke 1999: 93). This species runs to M. castellanus Schwenke, 1999 in his key for the declinans -group, but differs by the larger ocelli, blackish face and reddish mesoscutum.

Figures

FIGURES 32–35. The Carpathian Mesochorus spp. 32—M. rufoniger; 33—M. semirufus; 34—M. testaceus; 35—M. vittator.