Charinus

Vasconcelos, Ana Caroline Oliveira & Ferreira, Rodrigo Lopes, 2016, Description of two new species of Charinus Simon, 1892 from Brazilian caves with remarks on conservation (Arachnida: Amblypygi: Charinidae), Zootaxa 4072 (2), pp. 185-202 : 196

Key to the Brazilian species of Charinus (modified version of that present by Miranda & Giupponi (2011))

1 Median eyes absent.................................................................................. 2

- Median eyes present................................................................................... 3

2 Female gonopods conical with an apical sucker-like prehensile structure; basitibia of leg IV with four pseudoarticles (Bahia: Carinhanha, Serra do Ramalho, Zé do Bastos Cave)................................................ C. troglobius

- Female gonopods rounded, cushion-like with an apical sharp edge partially covering the atrium of the seminal receptacle; basitibia of leg IV with three pseudoarticles (Rondônia: Porto Velho)..................................... C. vulgaris

3 Second and third sternal sclerites flattened and twice as wide as long (Espírito Santo: Domingos Martins)...... C. montanus

- Second and third sternal sclerites convex and rounded........................................................ 4

4 Distitibia of the leg IV with 16 trichobothria (Espírito Santo: Serra)................................... C. brasilianus

- Distitibia of the leg IV with 18 trichobothria................................................................ 5

5 Patella of the pedipalp with 2 ventral spines.................................................................6

- Patella of the pedipalp with 3 or more ventral spines.......................................................... 7

6 Lateral eyes triads with pigmentation (Bahia: Santa Luzia, Gruta Pedra do Sin Cave)....................... C. acaraje

- Lateral eyes triads without pigmentation (Rio Grande do Norte: Felipe Guerra, Buraco Redondo Cave).......... C. potiguar

7 Median eyes tubercle indistinct (Minas Gerais: Itacarambi, Olhos d’Água Cave).......................... C. eleonorae

- Median eyes tubercle distinct........................................................................... 8

8 Lateral eyes underdeveloped (Bahia: Várzea Nova: Fazenda Jurema Cave).......................... C. caatingae sp. n.

- Lateral eyes developed................................................................................ 9

9 Patella of the pedipalp with 3 ventral spines............................................................... 10

- Patella of the pedipalp with 4 or 5 ventral spines........................................................... 11

10 Femur of the pedipalp with 3 or 4 dorsal spines (Bahia: Iuiu : Lapa do Baixão Cave)....................... C. iuiu sp. n

- Femur of the pedipalp with 5 or 6 dorsal spines (Minas Gerais: Arcos: Gruta da Cazanga)..................... C. jibaossu

11 Tarsus of the pedipalp with 3 dorsal spines (Bahia: Gentio do Ouro, Encantados Cave)...................... C. mysticus

- Tarsus of the pedipalp with 2 dorsal spines (São Paulo: Ilha Bela)....................................... C. asturius