Catanduba peruacu, Yamamoto, Flávio U., Lucas, Sylvia M. & Brescovit, Antonio D., 2012

Yamamoto, Flávio U., Lucas, Sylvia M. & Brescovit, Antonio D., 2012, Catanduba, a new Theraphosinae spider genus from Central Brazil (Araneae, Theraphosidae), Zootaxa 3172, pp. 1-19 : 11-13

Catanduba peruacu sp. nov.

Figs 5 A–F

Type-material. Holotype: male from Januária, Minas Gerais, Brazil. (44°22'43"W; 15°28'44"S) 16.XII.2007, C.A.R. De Souza et al col., deposited in IBSP 11316. Paratypes: one female from Parque Nacional Cavernas do Peruaçú , Januária, Minas Gerais, Brasil, (44°14'28"W; 15°07'26"S), 24–25/I/2009, M. Teixeira Jr. & R.S. Recoder col., deposited in IBSP 144799, one male, one female with same locality and collector as paratype, deposited in MZSP 36506.

Additional material examined. BRASIL, Minas Gerais: Januária, Parque Nacional Cavernas do Peruaçú , (44°14'28"W; 15°07'26"S), 8–30/VII/2009, M. Teixeira Jr. & R. S. Recoder col., 33 ( IBSP 144798–144798); 4– 25/I/2009, 4Ƥ ( IBSP 144798, 144800–144802).

Etymology. The species epithet is a noun in apposition taken from type locality.

Diagnosis. Differs from others species by the abdomen being dorsally dark gray with a longitudinal strip of yellow hairs, mainly seen on live animals ( Figs 11 C, D), palpal bulb with PIK and PSK close and parallel ( Figs 5 A–C) in males and spermathecae with large nodules, mainly in apical portion ( Figs 5 E, F)

Description. Male (IBSP 15234). Color in alcohol: carapace and legs dark brown. Abdomen dorsally black, with a longitudinal strip of yellow setae and ventrally light brown. Color in vivo ( Fig. 11 C): carapace and legs dark gray, Abdomen dorsally black with longitudinal strip of yellow setae and ventrally light brown. Urticating hairs of type III. Total length, without chelicera, 13.50. Carapace: length 5.56; width 6.63. Eye tubercle: length 0.76; width 1.19. Eyes size: AME 0.29, ALE 0.33, PME 0.33, PLE 0.21. Labium: length 0.76; width 1.24. Sternum: length 3.28; width 2.72. Basal segment of chelicera with row of 10 teeth on prolateral margin and group of 24 small teeth concentrated on basal third. Labium with 41 cuspules. Endites with ca. 118 cuspules. Palp: femur 3.60/ patella 2.32/ tibia 2.64/ cymbium 1.36/ total 9.92. Leg I: femur 5.60/ patella 3.04/ tibia 3.92/ metatarsus 3.68/ tarsus 2.48/ total 18.72. II: 5.04/ 2.72/ 3.52/ 3.52/ 2.64/ 18.72. III: 4.32/ 2.32/ 2.88/ 2.88/ 2.64/ 15.04. IV: 5.92/ 2.64/ 4.40/ 4.40/ 3.36/ 20.72. Spinnerets: basal segment 1.34; medium 0.91; apical 1.13. Spination: Palp: femur d0-0-1p, tibia v0-0-2p; Leg I: femur d0-0-1p, tibia v2-1 p-0-2ap, p1-0-1, metatarsus v0-0-0-1ap, p0-1-0; II: femur d0-0-1p, tibia v1-2 -p1-3ap, p1-1-1, metatarsus v2-1 -0-2ap, p0-1-0; III: femur d2-2-2, patella 0-0-p1, tibia v1-2 -0-3ap, p3-2-1, r1- 0-1, metatarsus v5 -p2-p2-3ap, p1-0-1, r0-1- 1. IV: femur d0-0-1r, tibia v2-3 -0-3ap, p0-1-1, r1-1-1, metatarsus v3 - r1-p1-3ap, p1-1-1, r1-1-1. Scopula: Metatarsus: I 0.37 of total length scopulated, II 0.45, III with 0.50 and IV with 0.40. Tarsus: I undivided, II and III divided by 3 rows or larger setae and IV by 4 rows. Tibial apophysis formed by two branches with distinct bases: prolateral smaller, with retrolateral spine; retrolateral larger. Metatarsus I with strong basal triangular nodule and flexes between tibial apophysis branches, touching their median portion ( Figs 5 D). Palpal bulb with conspicuous PIK and PSK close and parallel from each other, both extend to middle of embolus. Thin embolus with tooth emerging from PIK. Tooth with basal edge smooth and apical edge abrupt. Digitiform apophysis present ( Figs 5 A–C).

Female (IBSP 144799): Color in alcohol: carapace and legs light brown. Abdomen dorsally black, with a longitudinal strip of yellow setae and ventrally light brown. Color in vivo ( Fig. 11 D): carapace and legs brown, abdomen dorsally black, with longitudinal strip of yellow setae and ventrally light brown. Urticating hairs of type III. Total length, without chelicera, 16.72. Carapace: length 7.76; width 6.32. Eye tubercle: length 1.02; width 1.33. Eyes size: AME 0.26, ALE 0.36, PME 0.21, PLE 0.29. Labium: length 1.38; width 0.96. Sternum: length 3.84; width 3.28. Basal segment of chelicera with row of nine teeth on prolateral margin and group of 13 smaller teeth basal third. Labium with 47 cuspules. Endites with ca. 131 cuspules. Palp: femur 3.68/ patella 2.40/ tibia 2.48/ cymbium 2.40/ total 10.96. Leg I: femur 4.72/ patella 3.36/ tibia 3.52/ metatarsus 2.72/ tarsus 1.84/ total 16.16. II: 4.64/ 3.04/ 2.88/ 2.56/ 2.24/ 15.36. III: 4.48/ 2.56/ 2.32/ 3.60/ 2.32/ 15.28. IV: 5.44/ 3.04/ 4.08/ 5.20/ 2.56/ 20.32. Spinnerets: basal segment 1.55; medium 1.10; apical 1.50. Spination: Palp: femur d0-0-p1, tibia v0-0-0-3ap. Leg I: femur d0-0-p1, metatarsus v0-0-0-1ap. II: femur 0-0-1p, metatarsus v0-1-0-1ap. III: tibia v0-2-0-2ap, metatarsus v2 -p-0-3ap, p0-1-1, r0-1- 1. IV: tibia v0-2-1-2ap, r1-0-1, metatarsus vp1-2-p1-3ap, p0-1-1, r0-1-1. Scopula: Metatarsus: I with 0.41 of total length scopulated, II with 0.47, III with 0.31, IV with 0.40. Tarsus: I divided by 3 rows of larger setae, II and III divided by 4 rows of larger setae and IV by 5 rows. Spermathecae with two irregular receptacles with large nodules, mainly in apical portion ( Figs 5 E, F).

Variation. 5 males: Total length 11.8–16.5; Carapace 5.9–8.3; cuspules on labium: 25–40. 5 females: Total length: 17–18.7; Carapace 6.2–9.1; cuspules on labium: 35–78.

Distribution. Known only from the state of Minas Gerais, Brazil ( Fig. 10 ).

Figures

FIGURE 5. Catanduba peruacu sp. nov.: (A – C) Left palpal bulb: (A) prolateral view; (B) retrolateral view; (C) dorsal view. (D) Male left leg I, tibial apophysis, ventral view. (E, F) Spermathecae: (E) dorsal view; (F) ventral view. Scale bar = 1 mm.

FIGURE 10. Distribution map of Catanduba gen. nov. species.

FIGURE 11. Live animals: (A) Male of Catanduba tuskae sp. nov.; (B) Female, C. simoni comb. nov.; (C) Male and (D) female, C. peruacu sp. nov.