Tityus (Tityus) gasci Lourenco , 1981

Ythier, Eric, 2018, A synopsis of the scorpion fauna of French Guiana, with description of four new species, ZooKeys 764, pp. 27-90 : 35-37

Tityus (Tityus) gasci Lourenco, 1981 Fig. 10

References.

Lourenço 1981, Lourenço 1983, Fet et al. 2000, Lourenço 2008.

Material.

Inini region, between Maripasoula and Antecume-Pata, one male (holotype), MNHN-RS7921, J.P. Gasc coll., VII-IX/1972, leg., 1975.

Diagnosis.

Species of medium size compared to the average size of the other species of the genus, with a total length of 63.4 mm for the male holotype. General coloration yellowish. Carapace yellowish with some shades of brownish; eyes surrounded with black pigment. Tergites yellowish with confluent pale yellow zones on tergites, making an incomplete rhomb on the tergite VII. Sternites dark yellow with a lighter triangular area on the posterior part of sternite V; sternum, genital operculum and pectines yellow ochre. Metasomal segments I to III yellowish, IV and V dark reddish. Vesicle dark reddish with basis of aculeus reddish yellow and tip of aculeus reddish black. Chelicerae yellowish with reddish teeth. Pedipalp femur and patella yellowish; chela reddish yellow with reddish fingers; base of movable finger dark, almost black. Legs yellowish with blackish pigment on carinae. Anterior margin of carapace moderately emarginated; carapace carinae weakly developed; anterior median carinae weak; intercarinal spaces weakly granular, almost smooth. Tergites almost smooth with only few granules on posterior area; tergites I-VI with one very weakly marked median carina; tergite VII pentacarinate with weakly marked carinae. Pectinal tooth count 17-18 in male; basal middle lamella not dilated. Sternites with spiracles almost linear. Metasomal segments with 10-10-8-8-5 weakly marked carinae; dorsal carinae of segments I to IV with one distal slightly spinoid granule; intercarinal spaces almost smooth. Telson with aculeus almost as long as the vesicle, strongly curved; subaculear tubercle well developed, with two dorsal teeth. Pedipalp femur pentacarinate; patella with seven carinae; chelae with nine carinae; dentate margins of fixed and movable fingers composed of 15-15 rows of granules.