Auyantepuia aurum Ythier 2018

Auyantepuia aurum Ythier, 2018 Diagnosis (Ythier 2018a) Species of large size when compared with the average size of the other species of the genus, with a total length ranging from 25–30 mm in males and 26–29 mm in females. General coloration reddish brown. Carapace reddish yellow, marked with brownish variegated spots around the ocular tubercle and on the anterior and posterior edges of the carapace; ocular tubercle darker, almost black. Tergites brownish with confluent yellowish spots on the sides and the middle of tergites, forming a longitudinal median stripe. Venter yellowish. Metasomal segments reddish yellow, marked with variegated brownish spots on lateral and dorsal sides of segments I to V and on ventral side of segments III, IV and V; ventral side of segments I and II yellowish, without spots. Vesicle reddish yellow with basis of aculeus blackish and tip of aculeus reddish. Chelicerae yellowish with variegated dark brown spots; fingers reddish yellow with dark brown spots at their basis, teeth reddish. Pedipalps reddish yellow, with longitudinal dark brown spots. Legs yellowish, intensely marked with brownish spots. Carapace acarinate, with some fine granulations on central, lateral and posterior parts; furrows shallow; anterior edge emarginated. Tergites acarinate, with some fine granulations, stronger on their posterior edges. Pectinal tooth count ranging from 5–7 in males and 6– 6 in females. Sternites smooth and shiny, VII acarinate; spiracles rounded in shape. Metasomal segments III, IV and V longer than wide; metasomal tegument with medium size granulation on lateral sides of all segments and on ventral side of segments III to V, granules spinoid on segment V; carinae on segments I–V vestigial, only lateral supramedian carinae are weakly marked on all segments. Pedipalp femur with dorsal internal, dorsal external and ventral internal carinae moderately marked, internal face weakly granular, other faces smooth; patella smooth, with all carinae vestigial; chela moderately granulated, with dorso-internal carina weakly marked; dentate margins on fixed and movable fingers with six rows of granules. Material examined Holotype FRENCH GUIANA • ♂; Saül, Gros arbres trail; 21–22 Aug. 2017; J. Chevalier, B. Tan and R. Legallic leg.; MNHN. Paratype FRENCH GUIANA • 1 ♂; same data as for holotype; EYPC, EY0095. Other material FRENCH GUIANA • 1 ♂, 3 ♀♀, 1 immature ♂; Saül; 2022; J. Chevalier leg.; JCAUSAU22; EYCP, EY0406 • 1 ♂; Mount Itoupé, Montagne couronnée; 12–22 Nov. 2018; E. Courtois and M. Dewynter leg.; JCAUITO22; EYCP, EY0403. Distribution Auyantepuia aurum is distributed in central French Guiana and has been reported from Saül (type locality) and Mount Itoupé (Fig. 4).