Scytodes altamira, Rheims & Brescovit, 2000

Rheims, Cristina A. & Brescovit, Antonio D., 2000, Six new species of Scytodes Latreille, 1804 (Araneae, Scytodidae) from Brazil, Zoosystema 22 (4), pp. 719-730 : 729

Scytodes altamira n. sp.

( Fig. 4 G-H)

TYPE MATERIAL. — Chácara São Manuel. Cachoeira, Altamira, Pará, XI.1952, A. R. Hoge & J. Cavalheiro, 1 holotype ( IBSP 4212).

ETYMOLOGY. — The specific name is a noun in apposition taken from the type locality.

MATERIAL EXAMINED. — Only the type.

DISTRIBUTION. — Northern Brazil (Pará).

DIAGNOSIS. — The male of Scytodes altamira n. sp. is similar to S. auricula n. sp. but differs by the bulb’s leaf-like embolus and the distal area, with several projections ( Fig. 4G, H ).

DESCRIPTION

Male (IBSP 4212)

Specimen very bleached, but presents carapace brown with pair of median longitudinal cream coloured thick stripes. Pedipalps light brown. Labium and endites cream coloured. Sternum cream coloured with brown margins. Legs yellow with very faint transversal light brown bands. Abdomen cream coloured with black transversal markings posteriorly and black spots scattered anteriorly.

Total length 4.37. Carapace 2.37 long, 2.00 wide. Eye diameters: pme 0.18, ale 0.16, ple 0.20. Lateral eyes on a tubercle. Chelicerae with subapical hyaline keel, lateral surface with 10 to 12 stridulatory ridges. Labium 0.20 long, 0.18 wide. Sternum 1.32 long, 1.00 wide.

Cymbium with single spine. Bulb 0.70 long medially constricted ( Fig. 4G, H ). Abdomen 2.00 long, 1.37 wide, rounded, covered with large feathery hairs.

Legs. I, femur 5.62; patella 0.62; tibia 5.25; metatarsus 6.25; tarsus 0.75; total 18.49. II, absent. III, 3.50; 0.50; 2.87; 3.37; 0.62; 10.86. IV, 5.37; 0.62; 4.87; 5.75; 0.75; 17.36. Palpal femur presenting short stridulatory pick with triangular, projected socket.

Female

Unknown.

Figures

FIG. 4. — A-C, Scytodes vieirae n. sp.; A, male body, dorsal view; B, male left palpus, retrolateral view; C, male left palpus, prolateral view; D-F, Scytodes mapia n. sp.; D, female carapace, dorsal view; E, female epygine, ventral view; F, female epygine, dorsal view; G, H, Scytodes altamira n. sp.; G, male left palpus, retrolateral view; H, male left palpus, prolateral view. Scale bars: 0.25 mm.