Blaberinae

Tarli, Vitor Dias, Grandcolas, Philippe & Pellens, Roseli, 2018, Taxonomic revision of the genus Monastria Saussure, 1864 (Blattodea: Blaberidae Blaberinae) from the South American Atlantic forest, with the descriptions of five new species, Zootaxa 4524 (3), pp. 359-391 : 361

Key to the genera of the subfamily Blaberinae endemic from the Neotropical Atlantic forest

Adults

1 Pronotum with lateral margin rounded, without notch or spine....................................................................................................2

- Pronotum with lateral margin inclined, most often with a notch or a spine..................................................................................3

2 Pronotal cuticle smooth; dark brown with two orange spots; male brachypterous (Fig. 1C) ............................ Minablatta Rehn

- Pronotum strongly gibbous; yellow darker in the middle; male brachypterous (Fig. 1D)............................... Hiereoblatta Rehn

3 Pronotum unicolored (tawny beige); fore margin very abruptly curved upward. The head ventrally inserted strongly protruded (Fig.1B) .......................................................................................................................................................... Petasodes Saussure

- Pronotum with a more complex coloration; roughly triangular; lateral margin inclined most often with a notch or a spine.......4

4 Pronotum smooth, with a very light prominence above the head and a black complex spot in the postero-central area and reach- ing the posterior margin (Fig. 1E) ........................................................................................................... Monachoda Burmeister

- Pronotum gibbose, with a complex dark and brightly-colored pattern in the middle (Fig. 1A) ................... Monastria Saussure