Brasilodontus

Campos, Lucas Denadai De & De Mello, Francisco De A. G., 2014, Taxonomic studies on the Neotropical Landrevinae with description of new taxa (Orthoptera, Grylloidea, Gryllidae), Zootaxa 3852 (2), pp. 151-178 : 176-177

Key for the species of Brasilodontus

1a. fore wings absent......................................................................... B. apterus , n. sp.

1b. fore wings present..................................................................................... 2

2a. fore wings not surpassing first abdominal tergite..................................... B. riodocensis de Mello, 1992

2b. fore wings surpassing first abdominal tergite................................................................ 3

3a. apex of pseudepiphallus with a row of denticles; tip of ectophallic fold located posteriorly to the apex of pseudepiphallic parameres; copulatory papilla elongate................................................................... 4

3b. apex of pseudepiphallus without a row of denticles; tip of ectophallic fold located at the level of the apex of pseudepiphallic parameres; copulatory papilla drop-shape................................................................... 5

4a. median ocellus smaller than lateral ones (fig. 4D); male fore wings reaching hind margin of second abdominal segment (fig. 4A, F), stridulatory file with ca. 100 teeth; apex of pseudepiphallus clavate (fig. 6A, B, C); fringe of bristles on main lobes of pseudepiphallus located distally; copulatory papilla: the lateral lines, as seen from dorsum, somewhat concave, wider at first fourth, the apex white (fig. 15A1), proximal margin ventrally blunt (fig 15A2).................... B. itabunensis , n. sp.

4b. all ocelli similar in size; male fore wings extending beyond hind margin of second abdominal segment (fig. 1F), stridulatory file with ca. 67 teeth; apex of pseudepiphallus dilated as seen from the sides (fig. 3C); fringe of bristles on main lobes of pseudepiphallus located dorsally, before the apex (figs. 3A, B, C); copulatory papilla: the lateral lines, as seen from dorsum, not concave, wider at first third, the apex same color as the rest of the structure (fig. 15F)... B. mucuriensis de Mello, 1992

5a. frons and gena with a light brown sagital band from median ocellus to inferior margin of clypeus; stridulatory file with ca. 77 teeth; posterior margin of subgenital plate slightly sinuose (fig. 5I); apex of pseudepiphallus twisted and truncate; ectophallic apodemes rather short and slender; proximal margin of copulatory papilla with a shallow invagination (fig. 15B2).......................................................................................... B. itamarajuensis , n. sp.

5b. frons with oval yellowish maculae just below median ocellus; fore wings stridulatory vein with ca. 75 teeth; posterior margin of subgenital plate concave (fig. 7I); apex of pseudepiphallus truncate as seen by the sides (fig. 9C), ectophallic apodemes long (fig. 9A, B); proximal margin of copulatory papilla with a deep invagination (fig. 15D2)......... B. portosegurensis , n. sp.