Machima, Antunes & Takiya, 2020

Antunes, André Fonseca & Takiya, Daniela Maeda, 2020, Machima itatiaia sp. nov.: a new species of lichen-mimic katydid (Orthoptera Tettigoniidae: Phaneropterinae) from the Brazilian Atlantic Forest, Zootaxa 4878 (3), pp. 589-594 : 590

Key to valid species of Machima (based on male specimens)

1. Main lobe of cercus elongated and curving weakly at apical half ( Rehn 1950, Figs. 12, 14); accessory lobe of cercus longer than wide ( Rehn 1950, Figs. 12, 14).......................................................................... 2

- Main lobe of cercus elongated and curving abruptly at apical two-thirds ( Fig. 2C ); accessory lobe of cercus as long as wide ( Fig. 2C ).................................................................................. M. itatiaia sp. nov.

2(1). Apex of main lobe of cercus weakly curved in dorsal view ( Rehn 1950, Fig. 12)................................... 3

- Apex of main lobe of cercus forming a hook and abruptly narrowed in dorsal view ( Rehn 1950, Figs. 14–15)..................................................................................................... M. paranensis

3(2). Accessory lobe of cercus with acute apex...................................................... M. phyllacantha

- Accessory lobe of cercus with rounded apex ( Rehn 1950, Fig. 12)...................................... M. scalprum

Figures

FIGURE 2. Machima itatiaia sp. nov. (A-B) stridulatory files of tegmina; (A) right tegmen; (B) left tegmen. (C-E) male terminalia. (C) left cercus, in dorsal view; (D) left cercus, in lateral view; (E) subgenital plate, in ventral view. Scale: 1 mm.