Charinus species

Giupponi, Alessandro Ponce de Leão & Miranda, Gustavo Silva de, 2016, Eight New Species of Charinus Simon, 1892 (Arαchnidα: Amblypygi: Chαrinidαe) Endemic for the Brαziliαn Amαzon, with Notes on Their Conservαtionαl Stαtus, PLoS ONE (e 0148277) 1892 (2), pp. 1-33 : 26

Identification key for the Charinus species from the Brazilian Amazonia ( Fig 12 )

1. Basitibia leg IV divided in 3 pseudoarticles..................................................................................2

1’. Basitibia leg IV divided em 2 pseudoarticles................................................................................6

2. Median eyes present..........................................................................................................................3

2’. Median eyes absent............................................................................................................................4

3. Distitibia leg IV: trichobothria bc closer to sbf than to bf ( Fig 3E )................ C. carajas sp. n.

3’. Distitibia leg IV: trichobothria bc equidistant to bf and sbf ( Fig 3F )......... C. orientalis sp. n.

4. Distitibia leg IV: trichobothria bc equidistant to bf and sbf ( Fig 3D )................. C. guto sp. n.

4’. Distitibia leg IV: trichobothria bc closer to sbf than to bf ( Fig 3G )..........................................5

5. Large lateral eyes and oceli separated from each other............................................. C. vulgaris

5’. Reduced lateral eyes with oceli very close to each other ( Fig 10A )................ C. ferreus sp. n.

6. Median eyes present ( Fig 1A )........................................................................... C. brescoviti sp. n.

6’. Median eyes absent............................................................................................................................7

7. Distitibia leg IV: trichobothria bc equidistant to bf and sbf ( Fig 3B ).......... C. ricardoi sp. n.

7’. Distitibia leg IV: trichobothria bc closer to sbf than to bf..........................................................8

8. Three dorsal and ventral spines on the pedipalp femur ( Fig 6E and 6F )..... C. bonaldoi sp. n.

8’. Two dorsal and ventral spines on the pedipalp femur ( Fig 11E and 11F ). C. bichuetteae sp. n.

Figures

Fig 1. A-E. Habitus and details of the sternum and pedipalp of Charinus brescoviti sp. n. (female, MNRJ 9186). A. Dorsal habitus; B. Sternum; C. Frontal view of left the pedipalp basitiba, distitiba and claw; D. Dorsal view of the right pedipalp; E. Ventral view of the left pedipalp. Scale bars: 1mm. doi:10.1371/journal.pone.0148277.g001

Fig 3. A-H. Trichobothria of left basitibia IV and distitibia IV. A. Charinus brescoviti sp. n. (female holotype, IBSP 149); B. Charinus ricardoi sp. n. (female holotype, MZSP 22036); C. Charinus bonaldoi sp. n. (female paratype, MPEG 0061); D. Charinus guto sp. n. (female holotype, MZSP 48146); E. Charinus carajas sp. n. (female holotype, MZSP 29136); F. Charinus orientalis sp. n. (female paratype, MZSP 29118); G. Charinus ferreus sp. n. (female holotype, MZSP 29104); H. Charinus bichuetteae sp. n. (male paratype, MNRJ 09173). Acronyms: bt, basotibial; bf, basofrontal; bc, basocaudal; sbf, sub-basofrontal; sc, caudal series; sf, frontal series;. Scale bars: 1mm. doi:10.1371/journal.pone.0148277.g003

Fig 6. A-F. Habitus and details of the sternum and pedipalp of Charinus bonaldoi sp. n. (female holotype, MPEG AMB 061) A. Dorsal habitus; B. Ventral habitus of a female with eggs; C. Sternum; D. Frontal view of the right pedipalp basitiba, distitiba and claw; E. Dorsal view of the right pedipalp; F. Ventral view of the left pedipalp. Scale bars: 1mm. doi:10.1371/journal.pone.0148277.g006

Fig 10. A-F. Habitus and details of the sternum and pedipalp of Charinus ferreus sp. n. (female holotype, MZSP 29104). A. Dorsal habitus; B. Live specimen in the soil of a cave in Carajás.C. Sternum; D. Frontal view of the right pedipalp basitiba,distitiba and claw; E. Dorsal view of the right pedipalp; F. Ventral view of the right pedipalp. Scale bars: 1mm. Photo B by Denis Pedroso.

Fig 11. A-F. Habitus and details of the sternum and pedipalp of Charinus bichuetteae sp. n. (male holotype, MNRJ 09204). A. Dorsal habitus; B. Young live specimen in the soil in Altamira. C. Sternum; D. Frontal view of the right pedipalp basitiba,distitiba and claw; E. Dorsal view of the right pedipalp; F. Ventral view of the right pedipalp. Scale bars: 1mm. Photo B by Denis Pedroso.

Fig 12. Distributional map of the new species. Green: ombrophilous forest. Yellow: white-sand forest (Amazonian Caatinga).