Atsigryllus sikuani, Cadena-Castañeda & Orejuela, 2020

Cadena-Castañeda, Oscar J. & Orejuela, Mery Helen Tíjaro, 2020, Studies in Colombian Ensifera and adjacent countries: New taxa of smallest field crickets (Orthoptera: Gryllidae: Gryllinae), Zootaxa 4809 (3), pp. 571-581 : 577

Atsigryllus sikuani n. sp.

Map 1, Figs. 3-4

http://lsid.speciesfile.org/urn:lsid: Orthoptera .speciesfile.org:TaxonName:509814

Holotype. ♂. Colombia, Meta, Villavicencio , Vda. La Argentina. 650 m. 4.231936, -73.643457. J. Marquez ( CAUD).

Description. In addition to characters to the genus: Male. Size small ( Figs. 3A, B ). Coloration. Predominantly dark brown and black, cephalic capsule, pronotum and first pair of black legs, scapus and yellow pedicel in the same way as the apex of the last segment of the maxillary palp and ocelli. Dark brown body rest, hind femur with black transverse stripes, which go from the dorsal to the ventral margin of the external face of the femur ( Figs. 3A, B ). Tarsomeres of hind leg with 8 outer and 6 inner dorsal spines. Male genitalia. Pseudepiphallic parameres triangular shaped in ventral and dorsal view ( Figs. 4A, B ), wide, truncate at the apex and curved in lateral view ( Figs. 4C ). Pseudepiphallic apodemes slim and not connected with the rami. Median lophi very reduced and triangular, lateral lobe arched and with a fold in the internal margin, towards the back ( Fig. 4A ). Endophallic cavity well developed kidney shaped in side view ( Fig. 4B ).

Female. Unknown.

Measurements (in mm.). Holotype: LB: 10.5. Pr: 1.5. HF: 6. HT: 3.8.

Etymology. In honor of the indigenous Sikuani or Guahibo people, who live in the Orinoco plains, between the rivers Guaviare, Meta and Arauca, in the Colombian departments of Vichada, Meta, Arauca, Guaviare and Guainía, and Venezuela to the west of the states of Amazonas, Bolívar and south of Apure.

Figures

FIGURE 3. Atsigryllus sikuani n. gen and n. sp. male. A. Habitus in lateral view and B. dorsal view. C. Frons. D. Wings in dorsal view.

FIGURE 4. Atsigryllus sikuani n. gen and n. sp. male genitalia. A. Dorsal. B. Ventral and C. Lateral view respectively.