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

publication ID

http://doi.org/ 10.5281/zenodo.214015

DOI

http://doi.org/10.5281/zenodo.5679235

persistent identifier

http://treatment.plazi.org/id/03B187F5-FFDA-FFBC-5891-F998FBAC300E

treatment provided by

Plazi

scientific name

Catanduba peruacu
status

sp. nov.

Catanduba peruacu   sp. nov.

Figs 5 View FIGURE 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 View FIGURE 11 C, D), palpal bulb with PIK and PSK close and parallel ( Figs 5 View FIGURE 5 A–C) in males and spermathecae with large nodules, mainly in apical portion ( Figs 5 View FIGURE 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 View FIGURE 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- 0-1 p, tibia v0- 0-2 p; Leg I: femur d0- 0-1 p, tibia v 2 - 1 p- 0-2 ap, p 1 - 0-1, metatarsus v0-0- 0-1 ap, p 0-1 -0; II: femur d0- 0-1 p, tibia v 1-2 -p 1-3 ap, p 1 - 1 - 1, metatarsus v 2 - 1 - 0-2 ap, p 0-1 -0; III: femur d 2 - 2 - 2, patella 0-0-p 1, tibia v 1-2 - 0-3 ap, p 3 - 2 - 1, r 1 - 0-1, metatarsus v 5 -p 2 -p 2-3 ap, p 1 - 0-1, r 0-1 - 1. IV: femur d0- 0-1 r, tibia v 2-3 - 0-3 ap, p 0-1 - 1, r 1 - 1 - 1, metatarsus v 3 - r 1 -p 1-3 ap, p 1 - 1 - 1, r 1 - 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 View FIGURE 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 View FIGURE 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 View FIGURE 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-p 1, tibia v0-0- 0-3 ap. Leg I: femur d0-0-p 1, metatarsus v0-0- 0-1 ap. II: femur 0- 0-1 p, metatarsus v 0-1 - 0-1 ap. III: tibia v 0-2 - 0-2 ap, metatarsus v 2 -p- 0-3 ap, p 0-1 - 1, r 0-1 - 1. IV: tibia v 0-2 - 1-2 ap, r 1 - 0-1, metatarsus vp 1-2 -p 1-3 ap, p 0-1 - 1, r 0-1 - 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 View FIGURE 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 View FIGURE 10 ).

IBSP

Instituto Biologico de Sao Paulo

MZSP

Sao Paulo, Museu de Zoologia da Universidade de Sao Paulo