Charinus goitaca, Miranda & Giupponi & Prendini & Scharff, 2021

Miranda, Gustavo Silva de, Giupponi, Alessandro P. L., Prendini, Lorenzo & Scharff, Nikolaj, 2021, Systematic revision of the pantropical whip spider family Charinidae Quintero, 1986 (Arachnida, Amblypygi), European Journal of Taxonomy 772, pp. 1-409 : 111-113

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Charinus goitaca

sp. nov.

Charinus goitaca sp. nov.

Figs 43 View Fig , 64–65 View Fig View Fig ; Table 4 View Table 4


This species may be separated from other Charinus in eastern South America by means of the following combination of characters: large size; cheliceral claw with ten teeth; pedipalp coxa with seven setae encircled by rounded carina; pedipalp femur with six dorsal spines and five ventral spines ( Fig. 64E–F View Fig ); pedipalp patella with six dorsal spines and three or four ventral spines ( Fig. 64E–F View Fig ); pedipalp tarsus with three dorsal spines ( Fig. 64D View Fig ).

Charinus goitaca sp. nov. resembles C. ruschii , but is darker with a proportionally broader carapace.


Noun in apposition referring to the Goitacá indigenous tribe, who used to live in the area prior to extermination by European colonists.

Type material

Holotype BRAZIL • ♂; Espírito Santo, Vitória, house close to Fonte Grande State Park ( Parque Estadual da Fonte Grande ); 20°17′17.3″ S, 40°20′12.53″ W; MNRJ 9224 View Materials . GoogleMaps

Paratypes BRAZIL • 4 ♀♀, 3 subad. ♂♂, 3 juv.; Espírito Santo, Vitoria, P.E. Fonte Grande ; 20°18′30.63″ S, 40°20′28.77″ W; 12 Jan. 2018; G.S. Miranda and D.R. Pedroso leg.; MNRJ 9360 View Materials GoogleMaps .


CARAPACE. Six anterior setae; frontal process triangular ( Fig. 64C View Fig ). Small granules densely scattered between lateral eyes and among sulci. Median eyes well developed ( Fig. 64C View Fig ); median ocular tubercle reduced, with pair of setae; lateral eyes well developed, with seta posterior to lateral ocular triad; lateral ocular triad well separated from carapace margin ( Fig. 64A View Fig ).

STERNUM. Tritosternum projected anteriorly with typical setation, long, surpassing base of pedipalp coxae ( Fig. 64B View Fig ); other sternal platelets narrow and concave, with pair of setae anteriorly on plaque and few smaller setae posteriorly; pentasternum with ten setae anteriorly and six setae (three pairs) near membranous region.

OPISTHOSOMA. Ventral sacs and ventral sac cover absent.

GENITALIA. Female genital operculum with prominent setae posteromedially and some smaller setae near margin; gonopod sucker-like and markedly sclerotized basally; constricted near apex, giving appearence of bottleneck ( Fig. 65A–D View Fig ). Male gonopod with apical margin of fistula and lateral lobe sclerotized; lateral lobes fimbriate.

CHELICERAE. Small, flat tooth on retrolateral surface of basal segment, opposite to bifid tooth; retrolateral surface of claw with continous row of setae, basally to medially; claw with ten teeth; three rows of 32 setae on prolateral surface of basal segment; bifid tooth on basal segment with dorsal cusp larger than ventral cusp.

PEDIPALPS. Coxal dorsal carina with seven prominent setae encircled by round carina and four setae on margin. Femur with six dorsal spines and five ventral spines ( Fig. 64E–F View Fig ); one dorsal spine between spines 2 and 3; two prominent setiferous tubercles between dorsal spine 1 and proximal margin; spine between ventral spine 1 and proximal margin; spine between ventral spines 1 and 2 and spines 3 and 4. Patella with six dorsal spines in primary series ( Fig. 64E View Fig ); prominent setiferous tubercle distal to spine I, one-third length of spine I; three or four ventral spines ( Fig. 64F View Fig ); prominent setiferous tubercle between spine I and distal margin. Tibia with ventral spine distally and three setae between spine and distal margin. Tarsus with three dorsal spines, larger spines aligned ( Fig. 64D View Fig ); spine 3 near base of spine 1; of larger spines, spine 1 two thirds length of spine 2; cleaning organ with 28–31 setae in ventral row.

LEGS. Tibia of leg I with 23 articles; tarsus I with 41 articles; first tarsal article about same length as subsequent article. Leg IV basitibia with four pseudo-articles, with sclerotized, denticulate margin at apex of articles; trichobothrium bt situated submedially on pseudo-article; distitibia trichobothrium bc situated closer to sbf than to bf, sc and sf series each with six trichobothria.


See Table 4 View Table 4 .


Known only from the type localities.

Natural history

Found under stones and tree bark in forested areas.


As indicated by the measurements ( Table 4 View Table 4 ), the holotype is much larger than the paratypes; the male paratype, despite being smaller, exhibits almost the same number of spines on the pedipalp as the holotype, the only difference being five instead of six dorsal spines on the femur, and fewer teeth on the cheliceral claw (eight instead of ten); the male paratype is probably subadult. The paratype females exhibit more differences in the count of spines on the pedipalp, which might be due to their early stage of development. Both males possess three dorsal spines on the pedipalp tarsus.