Tintiyakus piaroa ( Derka, Svitok & Fedor, 2016 ) Mendes & Cadena-Castañeda & Heleodoro & Ramos-Pastrana & Rafael, 2020

Mendes, Diego Matheus De Mello, Cadena-Castañeda, Oscar J., Heleodoro, Raphael Aquino, Ramos-Pastrana, Yardany & Rafael, José Albertino, 2020, A new genus of chevron cricket (Orthoptera: Anostostomatidae: Lutosinae) from the Colombian and Venezuelan Amazon Rainforest, Zootaxa 4729 (4), pp. 538-550 : 548-549

Tintiyakus piaroa ( Derka, Svitok & Fedor, 2016) comb. nov.

Figures 7–8

Hydrolutos piaroa Derka et al., 2016: 468 ; Cigliano et al., 2019.

Diagnosis. Cercus with anterior and posterior halves robust, approximately same length; anterior half straight; posterior half conical, curved ( Fig. 7 A–B). Subgenital plate with posterior margin with V-shaped emargination ( Fig. 7B ). Stylus slightly inward curved, slender, with almost same length as subgenital plate ( Fig. 7 A–B).

Comments: This species is transferred from Hydrolutus to Tintiyakus due to characters of the new genus described herein: Tergite 10 and subgenital plate medially emarginated at posterior margin and cercus conspicuously curved towards pleural margin. T. piaroa comb. nov. can be readily differentiated from the other two species by the subgenital plate bearing a V-shaped emargination, which is a thin slit in T. sexangulus sp. nov. and U-shaped in T. trewicki sp. nov. With this new combination, the genus Hydrolutus remains endemic to the discontinuous biogeographical province called Pantepui, em Venezuelan flat-topped sandstone table mountains-tepuis ( Derka et al., 2016).

Figures

FIGURE 7. Tintiyakus piaroa comb. nov. (adapted from Derka et al. 2016). A. Terminalia in dorsal view; B. Terminalia in ventral view. Abbreviations: Cer: cerci; Sty: styli; Pl: subgenital plate.

FIGURE 8. Geographical records of species Tintiyakus gen. nov.