Acropsis, Uvarov, 1939

Mendes, Diego Matheus De Mello & Rafael, José Albertino, 2020, RedescriptionofAcropsisGrant, 1958 (Orthoptera: Tettigoniidae: Phaneropterinae Microcentrini) and description of new species from Brazilian and Colombian Amazon Rainforest, Zootaxa 4779 (2), pp. 230-244 : 232

Key of male to Acropsis

1. Cerci apex rounded, with a hook-like spine ( Fig. 7K ). Head rugose ( Figs. 7 B–D) .......... Acropsis solimoesensis sp. nov.

- Cerci apex acute, with triangular or rounded spine ( Figs. 1 I–K). Head smooth or partially rugose under eyes and frons ( Figs. 1 B–D and 10B–D).................................................................................... 2

2. Cerci spine triangular, slightly curved ( Fig. 1K ); lateral lobes of mesosternum with margins curved inwards, with acute apex ( Fig. 1E ). Head rugose under eyes and frons ( Figs. 1 B–D)..................................... Acropsis tectiformis

- Cerci spine rounded ( Fig. 10K ); lateral lobes of mesosternum anteriorly parallel, posteriorly curved outwards, with rounded apex ( Fig. 10E ). Head smooth ( Figs. 10 B–D)........................................... Acropsis julianae sp. nov.

Figures

FIGURE 1. Acropsis tectiformis, male. A: habitus, dorsal view; B: head, frontal view; C: head and pronotum, dorsal view; D: head and pronotum, lateral view; E: Thoracic sternites, ventral view; F: foreleg, lateral view; G: midleg, lateral view; H: hindleg, lateral view; I–J: Terminalia in ventral and dorsal view respectively; K: Apex of cerci, dorsal view. Abbreviations: Mes: mesobasisternum; Met: metabasisternum; Cer: cerci; Sty: styli; Pl: subgenital plate.

FIGURE 7. Acropsis solimoesensis sp. nov., holotype male. A: habitus, dorsal view; B: head, frontal view; C: head and pronotum, dorsal view; D: head and pronotum, lateral view; E: Thoracic sternites, ventral view; F: foreleg, lateral view; G: midleg, lateral view; H: hindleg, lateral view; I–J: Terminalia in ventral and dorsal view respectively; K: Apex of cerci, dorsal view. Abbreviations: Mes: mesobasisternum; Met: metabasisternum; Cer: cerci; Sty: styli; Pl: subgenital plate.

FIGURE 10. Acropsis julianae sp. nov., holotype male. A: habitus, dorsal view; B: head, frontal view; C: head and pronotum, dorsal view; D: head and pronotum, lateral view; E: Thoracic sternites, ventral view; F: foreleg, lateral view; G: midleg, lateral view; H: hindleg, lateral view; I–J: Terminalia in ventral and dorsal view respectively; K: Apex of cerci, dorsal view.Abbreviations: Mes: mesobasisternum; Met: metabasisternum; Cer: cerci; Sty: styli; Pl: subgenital plate.