Hirrius, Bolivar, 1887

Skejo, Josip, Husemann, Martin, Jr, Romeo Patano, Tumbrinck, Josef, Pushkar, Taras I., Pavlović, Marko, Mohagan, Alma, Pamin, Jan-Henrik & Kasalo, Niko, 2024, Revision of the polyphyletic genus Hirrius Bolívar, 1887 (Orthoptera: Tetrigidae), with descriptions of three new genera and insights into antennal sensilla morphology, Zootaxa 5524 (1), pp. 1-61 : 8

A key to genera hitherto assigned to Hirrius

1A) Antennae with widened segments......................................................................... 2

1B) Antennae filiform. (Apterous. Vertex as wide as an eye or narrower. In Mindanao.)............................................................................... Parahirrius Skejo, Patano et Kasalo gen. nov. (2 species, both new)

2A) Antennae with smooth margins.......................................................................... 3

2B) Antennae with toothed margins. (In Sulawesi)... Zvierckia Skejo, Tumbrinck et Pushkar gen. nov. (3 species, of which 1 new)

3A) Pronotum flat. Vertex as wide as an eye. (In Mindanao)................ Hirrius Bolívar, 1887 (3 species, of which 1 new)

3B) Pronotum with a hump. Vertex wider than an eye. (In Sulawesi)................................................................................................ Guentheracris Skejo, Tumbrinck et Pushkar gen. nov. (1 species)