Corinna escalvada, Rodrigues, Bruno V. B. & Bonaldo, Alexandre B., 2014

Rodrigues, Bruno V. B. & Bonaldo, Alexandre B., 2014, Taxonomic revision of the species group rubripes of Corinna Koch, 1842 (Araneae; Corinnidae), Zootaxa 3815 (4), pp. 451-493 : 469

Corinna escalvada n. sp.

Figs. 34, 47– 49

Type material. Male holotype from Fazenda Escalvada , Mucuri [18 ° 3 ' 19.97 "S 39 ° 32 ' 58.78 "W], Bahia, Brazil, 11.IX. 1979, A. C. Niella, deposited in SMNK.

Etymology. The specific name is a noun in apposition taken from the type locality. In Portuguese, escalvada is an adjective and means devoid of vegetation.

Diagnosis. Males of Corinna escalvada n. sp. differ from those of other species with tegular process inserted closely to the embolar base by the massive, wide base of RTA, without a median process on its prolateral surface ( Figs. 47–48).

Description. Male (holotype). Carapace dark reddish brown with posterior end of thoracic region red and chelicerae black, endites and labium red with posterior extremity lightened, sternum brown, leg I with coxae, trochanter, femur and patella brown, tibia, metatarsus and tarsus dark red, legs II, III and IV dark yellow, except metatarsus and tarsus brown; dorsum of abdomen gray, with dorsal scutum on anterior third, ventrally light gray. Total length: 10.0. Carapace 5.0 long; 4.0 wide; 3.0 high. Clypeus 0.53 high. Abdomen 4.8 long; 4.3 wide. Eyes: anterior row 1.95, posterior row 2.1. MOQ: 0.8 long, 0.83 anterior wide, 0.78 posterior wide. Eyes diameters and interdistances: AME 0.28; ALE 0.2; PME 0.2; PLE 0.2; AME–AME 0.33; AME–ALE 0.43; PME–PME 0.38; PME–PLE 0.6; ALE–PLE 0.25. Chelicerae 2.55 long; 4 retromarginal teeth and 3 promarginal teeth. Sternum 2.5 long; 2.1 wide. Leg measurements: femur I 4.05 / patella 2.0/ tibia 3.5 / metatarsus 3.0/ tarsus 1.75 / total 14.3; II 3.7 / 1.85 / 3.05 / 3.05 / 1.55 / 13.2; III 3.3 / 1.65 / 2.3 / 2.65 / 1.3 / 11.2; IV 4.0/ 1.75 / 3.25 / 3.5 / 1.35 / 13.85. Leg formula 1423. Leg spination: I—femur d 1 - 1 -0, p0- 0-1; tibia v 1 p- 2 - 2 - 2 - 2; metatarsus v 2 - 2 -0. II—femur d 1 - 1 -0, p0- 0-1; tibia vr- 1 - 1 - 1; metatarsus v 2 - 2 -0. III—femur d 1 - 1 - 1, p 0-1 - 1, r 0-1 -0; tibia v 2 - 2 -0; metatarsus p 1 -0-0, r 0-1 -0, v 2 - 2 - 1. IV—femur d 1 - 1 - 1, r0- 0-1; tibia r 0-1 - 1, v 2 - 1 r- 1 p; metatarsus r 0-1 -0, v 2 - 2 - 1. Palp: femur with two posterior dorsal spines; RTA basally wide, apex tapered; T without projection; E filiform partially covered by the distal groove of conductor ( Figs. 47–48).

Female: Unknown.

Distribution. Known only from the type locality.

Other material examined. None.