Reyesacris

Mariño-Pérez, Ricardo, Sanabria-Urbán, Salomón, Pocco, Martina E., Foquet, Bert & Song, Hojun, 2021, Studies in Mexican Grasshoppers: Four new species of Reyesacris Fontana Buzzetti & Mariño-Pérez, 2011 (Orthoptera: Acrididae: Ommatolampidinae), Zootaxa 5039 (4), pp. 518-536 : 530

Key to the known species of Reyesacris (males)*

*Complement this key with the images of sheath of aedeagus and aedeagal valvae provided in figures 3–8.

1. Genae without dark spots ( Fig. 1A ), supra-anal plate bearing black callosities well-marked in a 2 + 2 pattern ( Fig. 3 )............................................................................................. R. amedegnatoae

1’ Genae with dark spots ( Fig. 1E , 2A, C, E ), supra-anal plate bearing black callosities marked but not as above ( Figs. 4–7 )... 2

2. Tip of lophi sclerotized ( Fig. 4B–C )......................................................... R. zihua sp. nov.

2’. Tip of lophi and surrounding areas sclerotized ( Figs. 5–7 )..................................................... 3

3. Supra-anal plate black callosities poorly sclerotized ( Fig. 6A )................................... R. mephaa sp. nov.

3’. Supra-anal plate black callosities sclerotized with a 2 + 3-4 pattern ( Figs. 5 , 7 )..................................... 4

4. Aedeagal valves longer, sheath of aedeagus partially covering them ( Fig. 5D–E )................. R. atoyacensis sp. nov.

4’. Aedeagal valves shorter, sheath of aedeagus almost covering them ( Fig. 7D–E )........................ R. tika sp. nov.

Figures

FIGURE 1. Reyesacris spp. A–D. R. amedegnatoae. A. Male lateral view. B. Female lateral view. C. Male dorsal view. D. Female dorsal view. E–H. R. atoyacensis sp. nov. E. Male lateral view. F. Female lateral view. G. Male dorsal view. H. Female dorsal view. Scale bar 5 mm.

FIGURE 2. Reyesacris spp. A–B. R. zihua sp. nov. A. Male lateral view. B. Male dorsal view. C–D. R. mephaa sp. nov. C. Male lateral view. D. Male dorsal view. E–H. R. tika sp. nov. E. Male lateral view. F. Male dorsal view. Scale bar 5 mm.

FIGURE 3. Reyesacris amedegnatoae. A. Male terminalia, dorsal view. B. Epiphallus, dorsal view, posterior downwards. C. Epiphallus, anterior view, dorsal downwards. D. Ecto + Endophallic complex, dorsal view. E. Ecto + Endophallic complex, left lateral view. Arrows in D and E indicate key characteristics of sheath of aedeagus and aedeagal valvae. Scale bar 250 μm.

FIGURE 4. Reyesacris zihua sp. nov. A. Male terminalia, dorsal view. B. Epiphallus, dorsal view, posterior downwards. C. Epiphallus, anterior view, dorsal downwards. D. Ecto + Endophallic complex, dorsal view. E. Ecto + Endophallic complex, left lateral view. Arrow in C indicates tip of lophi sclerotized, arrows in D and E indicate key characteristics of sheath of aedeagus and aedeagal valvae. Scale bar 250 μm.

FIGURE 5. Reyesacris atoyacensis sp. nov. A. Male terminalia, dorsal view. B. Epiphallus, dorsal view, posterior downwards. C. Epiphallus, anterior view, dorsal downwards. D. Ecto + Endophallic complex, dorsal view. E. Ecto + Endophallic complex, left lateral view. Arrows in D and E indicate key characteristics of sheath of aedeagus and aedeagal valvae. Scale bar 250 μm.

FIGURE 6. Reyesacris mephaa sp. nov. A. Male terminalia, dorsal view. B. Epiphallus, dorsal view, posterior downwards. C. Epiphallus, anterior view, dorsal downwards. D. Ecto + Endophallic complex, dorsal view. E. Ecto + Endophallic complex, left lateral view. Arrows in D and E indicate key characteristics of sheath of aedeagus and aedeagal valvae. Scale bar 250 μm.

FIGURE 7. Reyesacris tika sp. nov. A. Male terminalia, dorsal view. B. Epiphallus, dorsal view, posterior downwards. C. Epiphallus, anterior view, dorsal downwards. D. Ecto + Endophallic complex, dorsal view. E. Ecto + Endophallic complex, left lateral view. Arrows in D and E indicate key characteristics of sheath of aedeagus and aedeagal valvae. Scale bar 250 μm.