Ctenagenia wahisi Schmid-Egger 2022, sp. nov.

Ctenagenia wahisi Schmid-Egger sp. nov. (Figs 3–8) Holotype. Oman, Dhofar prov.: 1♀ 30.ix.2021, 5 km NE Mughsayl 16.910 N 53.803 E, leg . M. Halada (CSE). Paratypes: Oman, Dhofar prov.: 1♂ 13.x.2021, 80 km SSW Salalah 16.857 N 53.420 E, leg. M. Halada (CSE); 1♀ 15.x.2021, 75 km W Salalah 16.842 N 53.434 E, leg . M. Halada (CSE). Diagnosis. Ctenagenia wahisi sp. nov. agrees in general aspects with C. vespiformis . It is characterized by colour pattern. T1–6 are in greater part or completely yellow, and the mesosoma is black (Figs 3–4). In C. ozbeki and C. vespiformis T1 is black or red (Figs 1–2) (with a very small spot on some C. vespiformis males), and the mesosoma and abdomen are all yellow with some pale red in C. pagliano female. The male of C. pagliano is undescribed. Also, the setae of the head and propodeum are shorter and more sparse in C. wahisi sp. nov. (Fig. 6), compared to C. vespiformis . The foremetatarsus of the female has five spines in C. vespiformis , and four spines in the other species, including C. wahisi sp. nov. (Fig. 7). The ocelli of C. wahisi sp. nov. are smaller than in the remaining species (Fig. 6), and the propodeal surface is more finely sculptured than in C. vespiformis . The male of C. wahisi sp. nov. is also characterized by having a higher and more rounded keel of S8 (seen in lateral view, Fig. 8), compared to C. vespiformis (Fig. 9). T1 is predominantly yellow, and all black or at most with a small medial yellow spot in C.vespiformis . Description of female holotype. Body length 20.0 mm. Colour. Black, with the following parts dark yellow: T1 with large rectangular median spot, T2 except large dark lateral margin, T3–6 completely, with darker lateral margins. S3–6 yellowish brown (Fig. 3). Face, foreleg, metapostnotum and base of S2 with distinct red shimmer. Wing base black, wings yellowish, extreme apex of forewing dark. Wing venation in apical half of wing brown, in basal half yellow. Morphology. Labrum large, apicomedially with small impression. Clypeus clearly bulged ...