Figure 35 in Etudes on iurids, II. Revision of genus Calchas Birula, 1899, with the description of two new species (Scorpiones: Iuridae)

Figure 35: Sternopectinal area in Calchas species showing the genital operculum, prepectinal plate (in female), and genital papillae (in male). Note, in the male, the large long subtriangular shaped genital operculum with separated sclerites exposing significant genital papillae, as compared to the female, we see a narrow operculum with fused sclerites. Top-Left. C. nordmanni, female, Tortum, Turkey. Top-Right. C. birulai, sp. nov., female, Mardin, Turkey. Bottom-Left. C. gruberi, sp. nov., female, 12 km S. Akseki, Turkey. Bottom-Right. C. nordmanni, male, Turkey.