Sulcotilla Bischoff, 1920

Lelej, Arkady S. & Williams, Kevin A., 2023, Review of the tribe Smicromyrmini Bischoff, 1920 (Hymenoptera: Mutillidae), Zootaxa 5231 (2), pp. 101-140 : 134

25. Sulcotilla Bischoff, 1920

( Figs 82–85 )

Sulcotilla Bischoff, 1920: 28 (key), 1921: 555 (description), ♀; Brothers 1975: 592, ♀, ♁; Lelej & Brothers 2008: 60; Brothers & Lelej 2017: 96, ♁, ♀; Pagliano et al. 2020: 204.

Type species. Mutilla sulcata Magretti, 1884 , ♀, by subsequent designation of Bischoff 1921: 555.

Diagnosis. MALE. Hypostomal bridge with tooth. Eye subcircular. Mandible tridentae, slightly widened apically, excided beneath with outside large subbsal tooth. Prementum with posteromedian domelike elevation. Oblique metapleural suture running horizontally from endophragmal pit. Mesopleuron beneath with transverse precoxal one proximal pair of tubercles and one distal pair of teeth. T2 with long, S2 with short lateral felt line. Genital volsella with basal external lobe and long narrow cuspis; basivolsella with very long setae. FEMALE. Head widened posterad, posteriorly angulate. Pronotum dorsally with medial longitudinal depression (sulcus), laterally bordered by tubercles. Scutellar scale developed. Head and mesosoma ferruginous; antennae, legs and metasoma black. T1 with fringe of white setae; T2 basally with medial spot of white setae and apically with medial smaller spot and fringe of white setae. T3 with band of white setae. T4–5 laterally with sparse white setae. Pygidial plate oval carinated, with irregular and wavy longitudinally wrinkled sculpture.

Diversity and distribution. One species, known from both sexes, is recognized from the Afrotropical Region.

Remarks. The male has been recognized for nearly 50 years ( Brothers 1975), but it hasn’t been described or illustrated in the published literature.

Figures

FIGURES 82–85. Sulcotilla sulcata (Magretti, 1884): 82. ♀, dorsal habitus, 83. ♀, lateral habitus, 84. ♁, head, face view, 85. ♁, dorsal habitus. (Photographs by A. Lelej).