Leptoiulus meskhii, Evsyukov & Golovatch & Reip & Vandenspiegel, 2020

Evsyukov, Aleksandr, Golovatch, Sergei, Reip, Hans & Vandenspiegel, Didier, 2020, The millipede tribe Leptoiulini in the Caucasus, with notes on its generic classification (Diplopoda: Julida: Julidae), Zootaxa 4778 (2), pp. 237-280 : 269

Leptoiulus meskhii sp. nov.

Figs 15C , 31 , 32 , 33 , 34 , 35 , 36 , 41F , Map 2

Figures

FIGURE 15. Habitus pictures of some species of Leptoiulini from the Caucasus, lateral views. A: Leptoiulus hastatus Lohmander, 1932, male from near Shnokh, Armenia. B: Leptoiulus tanymorphus (Attems, 1901), male from Ajikent, Azerbaijan. C: Leptoiulus meskhii sp. nov., male paratype from Galabyn, Azerbaijan. D: Leptoiulus gonopodialis sp. nov., male paratype from Lagodekhi Nature Reserve, Georgia. Scale bar: 1 mm.

FIGURE 31. Leptoiulus meskhii sp. nov., male paratype from Galabyn, Azerbaijan. A-C: anterior, middle and posterior parts of body, respectively, lateral views. D-F: anterior, middle and posterior parts of body, respectively, ventral views. G-I: same, respectively, dorsal views. J: midbody ring, frontal view. K: ozopore, lateral view. L hypoproct, ventral view. M: head, ventral view. N: tip of leg 2, ventrocaudal view. Abbreviations: ep, epiproct; hp, hypoproct; lg, lamella lingualis of gnathochilarium; mz, metazona; pz, prozona; sg, stipes of gnathoсhilarium. Scale bars: 0.2 mm (A–E), 0.1 mm (F, I, M) or 0.05 mm (K, L, N).

FIGURE 32. Leptoiulus meskhii sp. nov., male from Hoveri, Lerik, Azerbaijan. A: leg pair 1, anterolateral view. B: leg pair 1, anterior view. C: gnathochilarium, ventral view. Abbreviations: lg, lamella lingualis of gnathochilarium; sg, stipes of gnathoсhilarium. Scale bars: A: 0.05 mm (A) or 0,1 mm (B, C).

FIGURE 33. Leptoiulus meskhii sp. nov., male paratype from Galabyn, Azerbaijan. A: antenna, lateral view. B: gnathochilarium, ventral view. C: leg 1, caudal view. D: leg 2, caudal view. E: ventral edge of segment 7, lateral view. Scale bar: 0.2 mm.

FIGURE 34. Leptoiulus meskhii sp. nov., male paratype from Galabyn, Azerbaijan. A: leg-pair 1, frontoventral view. B & C: gonopods, ventrolateral and ventrocaudal views, respectively. D: opisthomere of gonopod, mesal view. Abbreviations: fl, flagellum; ms, mesomere; op, opisthomere; ph, phylacum; pr, promere; sl, solenomere; ve, velum. Scale bars: 0.05 mm (A), 0.1 mm (B, C) or 0.02 mm (D).

FIGURE 35. Leptoiulus meskhii sp. nov., male from Hoveri, Lerik, Azerbaijan. A: gonopods, lateral view. B: gonopods, mesal view. C: promere of gonopod, posterior view. Female from same place as male. D: vulva, posterior view, E: vulva, lateral view. F: vulva, mesal view. Abbreviations: bu, bursa; om, operculum; ms, mesomere; op, opisthomere; ph, phylacum; pr, promere; sl, solenomere; ve, velum. Scale bars: 0.05 mm (A, C, D, E) or 0.1 mm (B, F).

FIGURE 36. Leptoiulus meskhii sp. nov., male paratype from Galabyn, Azerbaijan. A: promere of gonopod, caudal view. B: gonopod, meal view. Abbreviations: fl, flagellum; ms, mesomere; op, opisthomere; ph, phylacum; pr, promere; sl, solenomere; ve, velum. Scale bar: 0.2 mm.

FIGURE 41. Female vulvae of Leptoiulini from the Caucasus, caudolateral views. A: Chaetoleptophyllum flexum Golovatch, 1979 (female from Algeti Nature Reserve, Georgia). B: Kubaniulus gracilis Lohmander, 1936 (female from Pasture Abago, Krasnodar Prov.). C: Kubaniulus lativelatus sp. nov. (paratype from near Gelenjik, Krasnodar Prov). D: Leptoiulus hastatus Lohmander, 1936 (female from Totev,Armenia). E: Leptoiulus tanymorphus (Attems, 1901) (paratype, after Lohmander, 1936). F: Leptoiulus meskhii sp. nov. (paratype from Galabyn, Azerbaijan). G: Leptoiulus gonopodialis sp. nov. (paratype from Lagodekhi Nature Reserve, Georgia). Abbreviations: a, ampulla/ -ae; bu, bursa; em, emargination of median field; mf, median field; om, operculum; rs, receptaculum seminis. Scale bar: 0.2 mm (A–E, G), drawn not to scale (H, F).