Kolymocyba petrophila Eskov, 1989**

Marusik, Yuri M. & Nekhaeva, Anna A., 2020, New data on spiders (Arachnida, Aranei) of Kamchatka, Russia, Acta Biologica Sibirica 6, pp. 649-668 : 649

Kolymocyba petrophila Eskov, 1989**

Fig. 6A-C, F-H

Kolymocyba petrophila Eskov, 1989: 75, f. 5.1-5 (♂♀).

Material.

3♀ 1♂ [XX].

Note.

It is the type species of the monotypic genus that is known from the single taxonomic entry. In order to provide more detailed data about its morphology, we provide SEM images of its male palp and epigyne have been presented. The original figures by Eskov (1989) do not show the complex shape of the radix as if having only a single apophysis, despite it having a small posterior (Rp) and a larger anterior (Ra) apophyses and a very short tailpiece (Tp). Numerous fine teeth on the terminal part of the suprategular apophysis (Sa) were not shown as well as the large median membrane (Mm). The epigyne in light microscope (Fig. 6H ) looks like the one illustrated by Eskov (1989). This species and genus are new to Kamchatka. It was known from Magadan Area ( Marusik et al. 1992; Mikhailov 2013) only and the record from Kamchatka lies at the south-easternmost limit of its range.

Figures

Figure 6. Copulatory organs of Kolymocyba petrophila (A-C, F-H) and Walckenaeria microspiralis (D-E, I). A - C terminal part of male palp, prolateral, antero-prolateral and ventral; D, F whole male palp, retrolateral; E whole male palp, dorso-retrolateral showing dorsal tibial apophysis; G-I epigyne, ventral. Scale = 0.1 mm if not otherwise indicated. Abbreviations: Em - embolus, Mm - median membrane, Ra - anterior radix apophysis, Rp - posterior radix apophysis, Sa - suprategular apophysis, Tp - tailpiece of embolic division.