Kayania bicolumnata, (ROEWER, 1959)

Medrano, Miguel, Kury, Adriano Brilhante & Mendes, Amanda Cruz, 2022, Morphology-based cladistics splinters the century-old dichotomy of the pied harvestmen (Arachnida: Gonyleptoidea: Cosmetidae), Zoological Journal of the Linnean Society 195, pp. 585-672 : 621

KAYANIA BICOLUMNATA ( ROEWER, 1959) COMB. NOV.

( FIGS 1E, F , 23 , 24 )

Metagryne bicolumnata Roewer, 1959: 84 , figs 18a, b.

Type data: Holotype: Ecuador. Pastaza: Shill- Mera [Mera-Shell], in 1 m high bushes, [–1.466078°, –78.070913°, 1000 m], 1 ♂ ( SMF RII 12782/16, examined by photograph).

Diagnosis: It differs from K. compressicoxa by having lateral margin of scutum yellow coloured, but without coloration in anterior margin and by ornamentation of area III concolourous with background ( Fig. 24A ).

Distribution: Only known from the type locality in the Eastern Cordillera real montane forest in Pastaza Province of Ecuador ( Fig. 23 ).

Figures

Figure 1. Habitus in vivo of lenticular Discosomaticinae. A–B, Sibambea waorani from Yasuní National Park (Ecuador) C–D, Sibambea rotunda from Orellana (Ecuador). E–F, Kayania bicolumnata from Ecuadorian Amazon. G–H, Protus bolivari from Madre de Dios (Peru). I, Protus speciosus from Amazonas (Colombia). Photographs of Arthur Anker (A–B, I), Andreas Kay (C–F), Nicky Bay (G) and Paul Bertner (H).

Figure 23. Map of known distribution of Paraprotus and Kayania. Numbers correspond to the following WWF ecoregions: 1 = Eastern Cordillera real montane forest, 2 = Ucayali moist forest, 3 = Peruvian yungas.

Figure 24. Kayania bicolumnata, male holotype (SMF 12782/16). A, dorsal view. B, ventral view. C, distal part of the penis emerging through genital operculum. D, habitus, lateral view. E, postero-lateral view. F, original labels by Weyrauch and Roewer. Scale bars: 1 mm. Photos courtesy Abel Pérez.