Mesochorus (Mesochorus) testaceus Gravenhorst, 1829

Riedel, Matthias & Varga, Oleksandr, 2022, A checklist of the subfamily Mesochorinae (Hymenoptera, Ichneumonidae) from the Ukrainian Carpathians, Zootaxa 5100 (2), pp. 224-248 : 242

Mesochorus (Mesochorus) testaceus Gravenhorst, 1829 ( Fig. 34 )

Material examined. UKRAINE:lvano-Frankivsk Region : 2 ♀♀, Mochary , 5 km NE of Bogorodchany, 48.505117°N, 24.352691°E, 300–310 m, mixed forest, Malaise trap 1, 8–14.vii.2015 ; 1 ♀, Gorgany , m. Igrovets, 7.5 km SW of Stara Guta, 48.355129°N, 24.073943°E, 1500 m, subalpine zone, Malaise trap 4, 20.vii–8.viii.2014, leg. O. Varga ; 1 ♀, Vorokhta , sweeping, 7.vii.1963, leg. Ermolenko ; Transcarpathian Region : 1 ♂, Chornogora , Sheshul, 6–7 km NE of Kvasy, 1450 m, subalpine zone, sweeping, 15.vi.2013 ; 3 ♀♀, 6.5 km N of Mala Ugolka , 48.153958°N, 23.370084°E, 750 m, beech forest, Malaise trap 4, 31.v–13.vi.2015 ; 1 ♀, idem, 13.vi–8.vii.2015 ; 2 ♀♀, idem, Malaise trap 6, 13.vi–8.vii.2015, leg. O. Varga ( SIZK) .

Distribution. Palaearctic; first record for Ukraine.

Taxonomical remark. A rather large species, body length 6–8 mm. Lower mandibular tooth usually slightly longer than the upper tooth; face wide, inner eye margins ± divergent ventrally; mesopleuron densely punctate ventrally; hind tibia not or narrowly infuscate apically; mesosoma usually red, sometimes mesopleuron ± blackish; pterostigma brown.

Figures

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