Scytodes bocaina, Rheims, Cristina A. & Brescovit, Antonio D., 2009

Rheims, Cristina A. & Brescovit, Antonio D., 2009, New additions to the Brazilian fauna of the genus Scytodes Latreille (Araneae: Scytodidae) with emphasis on the Atlantic Forest species, Zootaxa 2116, pp. 1-45 : 26

Scytodes bocaina new species

Figs. 90–93

Type material: Holotype: male from Parque Nacional da Serra da Bocaina , São José do Barreiro [22°43' S; 44°36' W], São Paulo, Brazil, 28 April – 3 May 2002, Equipe Biota, deposited in IBSP 92307.

Etymology. The specific name is a noun in apposition that refers to the type locality of the holotype.

Diagnosis. The males of Scytodes bocaina n.sp. resemble those of S. jurubatuba n.sp. ( Figs. 87–88 ) by the short and distally narrowed bulb. They are distinguished by the prolateral, strongly curved projection ( Figs. 91, 93 ).

Description. Male (Holotype, IBSP 92307). Carapace pale orange, medially lighter, with dark brown pattern as shown on Fig. 90 . Chelicerae slightly lighter than carapace with dorsal, longitudinal, brown stripe. Pedipalps pale yellow. Labium pale yellow with brown margins. Endites pale yellow. Sternum cream colored with brown markings in front of each coxae. Legs pale yellow. Femur I-IV with ventral pair of longitudinal brown stripes. Patellae dark brown and tibia with dark extremities. Abdomen yellowish white with black pattern ( Fig. 90 ). Total length 3.5. Carapace slightly domed, 1.8 long, 1.6 wide. Eye diameters: PME 0.14, ALE 0.14, PLE 0.14. Lateral eyes on a tubercle. Chelicerae with subapical hyaline keel and inconspicuous stridulatory ridges. Labium 0.18 long, 0.24 wide. Sternum 0.92 long, 0.76 wide. Leg measurements: I: femur 2.2, patella 0.4, tibia 2.6, metatarsus 2.7, tarsus 0.6, total 8.5; II: 1.8, 0.4, 1.6, 2.0, 0.6, 6.4; III: 1.1, 0.4, 1.2, 1.1, 0.4, 4.2; IV: 1.6, 0.4, 1.5, 1.6, 0.6, 5.7. Palpal femur with stridulatory pick short and stout with slightly projected socket. Cymbium with single strong distal spine ( Figs. 91–92 ). Bulb 0.62 long. Distal region with short, prolateral sclerotized process and strongly curved projection ( Figs. 91, 93 ). Abdomen 1.7 long, 1.5 wide, covered with slender hairs.

Female unknown.

Distribution. Atlantic Forest. Only known from the type locality, in the state of São Paulo.

Figures

FIGURES 86 – 93. 86 – 89. Scytodes jurubatuba n. sp. 86. Male habitus, dorsal; 87 – 89. Left male palp (87 prolateral, 88 retrolateral, 89 detail of distal region, dorsal). 90 – 93. Scytodes bocaina n. sp. 90. Male habitus, dorsal; 91 – 93. Left male palp (91 prolateral, 92 retrolateral, 93 detail of distal region, dorsal) (CP = curved projection; SP = sclerotized process). Scale lines: 0.5 mm.