Coarazuphium, Gnaspini, Vanin & Godoy, 1998

Pellegrini, Thais Giovannini, Ferreira, Rodrigo Lopes, Zampaulo, Robson De Almeida & Vieira, Letícia, 2020, Coarazuphium lundi (Carabidae: Zuphiini), a new Brazilian troglobitic beetle with the designation of a neotype for C. pains Álvares & Ferreira, 2002, Zootaxa 4878 (2), pp. 287-304 : 301-302

Key to adult species of the genus Coarazuphium

(adapted from Pellegrini & Ferreira 2017)

1. Head elongate, HW/HL ratio about 0.6. Elytra apical sinuosity with inner borders sharp ( Fig. 27 ). Male genitalia: right paramere styliform ( Gnaspini et al. 1998: 306, Fig. 10 ), about as long as left paramere. C. cessaima Gnaspini, Vanin & Godoy 1998

1’. Head oviform to subquadrangular, HW/HL ratio from 0.75 to more than 1. Elytra truncate or sinuate, if it is sinuate apical inner borders are not sharp. Male genitalia: right paramere styliform or not, distinctly shorter than left paramere............... 2

2(1’). Elytron with apical margin truncate, not sinuate. Male right paramere styliform or broad............................. 3

2’. Elytron with apical margin sinuate. Male right paramere broad, not styliform, distinctly shorter than left paramere........ 9

3(2). Head dorsally bearing only one pair of anterior supraorbital setae and a pair of postocular setae (pos) ( Pellegrini & Ferreira 2017: 556, Fig. 5 )..................................................................................... 4

3’. Head dorsally with more than two pairs of setae—if with only two pairs it possesses a posterior supraorbital setae (psos) instead of the postocular (pos) pair.............................................................................. 6

4(3). Metafemur bearing a spine at the middle of the ventral side ( Pellegrini & Ferreira 2017: 556, Fig. 4 ); antennae short, about 0.68 times of body length.................................................... C. spinifemur Pellegrini & Ferreira 2017

4`. Metafemur without a spine at the middle ventral side; antennae long, reaching metafemur............................ 5

5(4`). Aedeagus very long and slender, about 2.89 times left paremere ( Pellegrini and Ferreira 2011: Fig. 2 D–F)................................................................................... C. tapiaguassu Pellegrini & Ferreira 2011

5`. Aedeagus shorter, about 2.6 times left paremere ( Pellegrini and Ferreira 2017: 557, Fig. 6 C–E)........................................................................................... C. amazonicus Pellegrini & Ferreira 2017

6(3’). Head with two pairs of occipital setae ( Ball & Shpeley 2013: 30, Fig. 4A )........................................ 7

6’. Head one pair or without occipital setae................................................................... 8

7. Maximum width near middle portion of elytra. Male rigth paramere slender, styliform ( Ball & Shpeley 2013, Fig. 10C )............................................................................. C. whiteheadi Ball & Shpeley 2013

7’. Maximum width in the posterior middle of elytra ( Fig. 5 ). Male right paramere short and triangular, not styliform ( Fig. 10 )......................................................................................... C. lundi sp. nov.

8. Two pairs of prosterior setae in the head dorsally ( Fig. 22 ), one posterior supraorbital and one occipital. Maximum width of elytra posteriad transverse midline ( Fig. 17 )...................................... C. pains Álvares & Ferreira 2002

8’ One pair of posterior supraorbital setae without the occipital ( Bená & Vanin 2014: 291, Fig. 6 ). Maximum width of elytra near middle ( Bená & Vanin 2014: 289 and 290, Figs. 1 and 4 ).............................. C. ricardoi Bená & Vanin 2014

9(2’). Head dorsally with three pairs of setae posteriad the anterior supraorbital setae................................... 10

9’. Head dorsally with one or two pairs of setae posteriad the anterior supraorbital setae............................... 11

10(9). Elytron with a slight apical sinuosity ( Pellegrini & Ferreira 2014: 537, Fig. 12A and C )..................................................................................................... C. formoso Pellegrini & Ferreira 2011

10’. Elytron with a pronounced apical sinuosity, head with two dorsal protuberances ( Pellegrini & Ferreira 2014: 537, Fig. 12B and D )................................................................... C. caatinga Pellegrini & Ferreira 2014

11(9’). Head dorsally with two pairs of setae (posterior supraorbitals and occipitals) at posterior border of head capsule ( Gnaspini et al. 1998: 304, Fig. 1 ) Male left paramere broad, conchoid ( Gnaspini et al. 1998: 305, Fig. 3 )............................................................................................ C. bezerra Gnaspini, Vanin & Godoy 1998

11’. Single pair of setae (posterior supraorbitals) at posterior border of head capsule ( Godoy & Vanin 1990: 796, Fig. 1 ). Male left paramere styliform ( Godoy & Vanin 1990: 798, Fig. 2 ).............................. C. tessai ( Godoy & Vanin 1990)

Figures

FIGURE 5. Coarazuphium lundi sp. nov. male holotype, habitus dorsal view. Scale bar = 1 mm.

FIGURE 17. Coarazuphium pains female neotype, habitus dorsal view. Scale bar = 1 mm.

FIGURES 27–32. Geographic localization of Coarazuphium cessaima. 27. Lapa do Bode Cave external area; 28. Lapa do Bode Cave type locality entrance; 29. Localization of the Una Karst regions of Itatetê in the state of Bahia, Brazil; The grey area corresponds to limestone groups and the triangle correspond to C. cessaima localities; 30. Coarazuphium cessaima, living specimen; 31. Cave localities, red triangle: cave locality of the holotype, and blue: new occurence; 32. Poço Encantado Cave entrance area. (Photographs 27, 28 and 32 are from Rodrigo Lopes Ferreira; photograph 30 is from Leonardo Souza Carvalho).

FIGURES 6–11. Coarazuphium lundi sp. nov. male holotype. 6. Head, pronotum and prothorax, lateral view; 7. Prothorax, ventral view; 8. Aedeagus left view; 9. Aedeagus dorsal view; 10. Aedeagus right view; 11. Genital segment capsule. Scale bar = 0.1 mm.

FIGURES 1–4. Geographic localization of Coarazuphium lundi sp. nov. 1. Localization of the Lagoa Santa Karst regions in the state of Minas Gerais, Brazil. The grey area corresponds to the Bambui limestone group and the red triangle corresponds to Gruta 06L Cave, the type locality of C. lundi type locality; 2. Main conduit from Gruta 06L Cave; 3. Gruta 06L Cave locality type at Maciço Limeira; 4. Detail at the Maciço Limeira outcrop. (Photograph 2 from Robson de Almeida Zampaulo; 3 and 4 from Allan Silas Calux).

FIGURES 22–23. Coarazuphium pains female neotype. 22. Head, pronotum and prothorax, lateral view; Scale bar = 0.5 mm; 23. Prothorax, ventral view; Scale bar = 0.2 mm.

FIGURES 12–16. Geographic localization of Coarazuphium pains. 12. Localization of the Karst regions of Arcos, Pains, and Doresópolis in the state of Minas Gerais, Brazil; The grey area corresponds to the Bambui limestone group and the dots correspond to C. pains type localities; 13. Coarazuphium pains, living specimen; 14. Cave type localities, red triangle: cave locality of the holotype lost, yellow: neotype locality, orange: paraneotype I cave locality and blue: other specimen locality; 15. Água Limpa III Cave entrance area; 16. Main conduit from Zé Serafim I Cave. (Photographs 13, 15 and 16 are from Robson de Almeida Zampaulo).