Bulboctenus kayapo, Pereira & Labarque & Polotow, 2020

Pereira, Maria Paula, Labarque, Facundo & Polotow, Daniele, 2020, Description of a new Neotropical spider genus in the family Ctenidae Keyserling 1877 (Araneae: Lycosoidea) from the Brazilian Amazon rainforest, Zootaxa 4890 (3), pp. 375-396: 377-383

publication ID

https://doi.org/10.11646/zootaxa.4890.3.5

publication LSID

lsid:zoobank.org:pub:7A820343-9165-4275-9963-DC6B27FCAD3B

persistent identifier

http://treatment.plazi.org/id/03BD297F-3E70-3D38-FF48-3C4F6F7959F3

treatment provided by

Plazi

scientific name

Bulboctenus kayapo
status

sp. nov.

Bulboctenus kayapo   sp. nov.

Figures 1–10 View FIGURE 1 View FIGURE 2 View FIGURE 3 View FIGURE 4 View FIGURE 5 View FIGURE 6 View FIGURE 7 View FIGURE 8 View FIGURE 9 View FIGURE 10 , 15 View FIGURE 15 , 19 View FIGURE 19

Type material. Male holotype from Campo de Provas Brigadeiro Velloso (-9.37333, -55.01944), Serra do Cachimbo, Novo Progresso, Pará, Brazil, 12.IX.2003, D.D. Guimar „es coll., deposited in MPEG ( ARA) 36742. GoogleMaps   Three males and five females paratypes, same data as holotype, A.B. Bonaldo coll., deposited in MPEG ( ARA) 001723 GoogleMaps   .

Etymology. The species name is a noun in apposition that honors the Kayapó indigenous people from the state of Pará. The term “Kayapó” is used by neighboring tribes rather than the Kayapó people themselves, and it means “those who look like monkeys”.

Diagnosis. Males of Bulboctenus kayapo   sp. nov. are distinguished from those of the other species of the genus by the apical projection of the MA rounded and smooth, slightly differentiated from the rest of the MA ( Figs 10 View FIGURE 10 A–C, 15A–C), by the RTA wider than long (shorter), apically rounded and by the RCP swollen, well-developed (ventral view, Fig. 12A View FIGURE 12 ), while B. itunaitata   sp. nov. and B. munduruku   sp. nov. present smooth RCP, enlarged RTA and well differentiated apical projections of the MA ( Figs 12 View FIGURE 12 A–C, 14A–C, 16A–C, 17A–C). Females of Bulboctenus kayapo   sp. nov. are distinguished from those of the other species of the genus by the lateral margins of the MS strongly excavated anteriorly, next to the copulatory openings ( Figs 10D View FIGURE 10 , 15D View FIGURE 15 ) and by the copulatory ducts touching anteriorly ( Fig. 10E View FIGURE 10 ), while B. itunaitata   sp. nov. and B. munduruku   sp. nov. present separated copulatory ducts and less excavated lateral margins of the MS ( Figs 12 View FIGURE 12 D–E, 14D–E, 16D–E, 17D–E).

Description. Male (MPEG(ARA)001712). Total length 6.67 ( Fig. 9A View FIGURE 9 ). Carapace 3.51 long, 2.81 wide. Clypeus 0.29 high. Eye diameters: AME 0.19, ALE 0.11, PME 0.27, PLE 0.28. Leg measurements: I: femur 2.78 / patella 1.26 / tibia 2.78 / metatarsus 2.38 / tarsus 1.10 / total 10.3; II: 2.74 / 1.30 / 2.62 / 2.33 / 1.0 / 9.99; III: 2.58 / 1.17 / 2.30 / 2.45 / 1.0 / 9.5; IV: 3.22 / 1.25 / 2.92 / 3.89 / 1.35 / 12.63. Leg formula 4123. Leg spination: tibia I v2-2-2-2-2, r0, p1, II v2-2-2-2-2, r1, p1, III–IV v1-1-1-1 -2, r1-1, p1-1; metatarsus I v2-2-2, r0, p1, II v2-2-2, r1, p1, III v2-2-2, r1-1, p1-1, IV v1-1-1-1-2, r1 -1, p1-1. Palp ( Figs 1 View FIGURE 1 A–C, 10A–C, 15A–C): wide embolus, with rectangular base and rounded apex; median apophysis excavated laterally and with a short and rounded apex; conductor with narrow base and large apex, not covering the tip of the embolus.

Female (MPEG(ARA)001723). Total length 9.18 ( Fig. 9B View FIGURE 9 ). Carapace 3.96 long and 3.05 wide. Clypeus 0.23 high. Eye diameters: AME 0.20, ALE 0.14, PME 0.30, PLE 0.26. Leg measurements: I: femur 3.15 / patella 1.65 / tibia 3.12 / metatarsus 2.51 / tarsus 1.19 / total 11.59; II: 3.15 / 1.56 / 2.82 / 2.40 / 1.14 / 11.04; III: 2.74 / 1.40 / 2.33 / 2.48 / 1.15 / 10.10; IV: 3.64 / 1.43 / 3.25 / 4.12 / 1.46 / 13.9. Leg formula 4123. Leg spination: tibia I–II v2-2-2-2-2, r0, p0, III–IV v1-1-1-1-2, r1-1, p1-1; metatarsus I–II v2-2-2, r0, p0, III v2-2-2, r1-1, p1-1, IV v1-1-1-1-1-2, r1-1, p1-1. Epigyne ( Figs 1 View FIGURE 1 D–F, 10D–E, 15D): hexagonal median sector with rounded posterior lateral projections; lateral projections curved, not totally covered by the elongated lateral sector; straight copulatory ducts; small fertilization ducts.

Variation. Five males: total length 6.44–7.78, carapace length 3.51–4.24, femur I 2.78–3.30. Five females: total length 7.95–9.22, carapace length 3.27–3.96, femur I 2.61–3.15.

Additional material examined. BRAZIL. Pará. Novo Progresso (-9.37472, -55.03361), 2 males and 1 female, 11.IX.2003, A. B. Bonaldo coll. ( MPEG ( ARA)001711); same locality GoogleMaps   , 1 male, 7–17.IX.2003, D. D. Guimar„es coll. ( MPEG ( ARA)018526); same locality and data, 1 male, D. D. Guimar „es, D. R. Santos-Souza & A. B. Bonaldo coll. ( MPEG ( ARA)018529); same locality, data, and collectors GoogleMaps   , 1 male ( MPEG ( ARA)018525)   ; 1 female ( MPEG ( ARA)018522)   ; 1 male ( MPEG ( ARA)018532)   ; 1 female ( MPEG ( ARA)018527)   ; 1 female ( MPEG ( ARA)018523); Novo Progresso (-9.36138, -55.03541) GoogleMaps   , 1 male, 7–17.IX.2003, ( MPEG ( ARA)001846); Novo Progresso (-9.36724, -55.01997) GoogleMaps   , 5 males and 6 females, 12.IX.2003, D. R. Souza coll. ( MPEG ( ARA)018548); Novo Progresso (-9.37333, -55.01944) GoogleMaps   , 5 males and 4 females, 12.IX.2003, D. D. Guimar„es coll. ( MPEG ( ARA)001712); same locality and collector, 1 male, 7–17.IX.2003 ( MPEG ( ARA)018538); same locality and data, 1 male, D. D. Guimar „es, D. R. Santos-Souza & A. B. Bonaldo coll. ( MPEG ( ARA)018539); same locality, data and collectors GoogleMaps   , 1 male ( MPEG ( ARA)018535)   ; 1 male ( MPEG ( ARA)018537)   ; 1 female ( MPEG ( ARA)018536)   ; 1 female ( MPEG ( ARA)018533)   .

Distribution. Known only from the type and nearby localities in Novo Progresso, Pará, Brazil ( Fig. 19 View FIGURE 19 ).

MPEG

Brazil, Para, Belem, Museu Paraense Emilio Goeldi

Kingdom

Animalia

Phylum

Arthropoda

Class

Arachnida

Order

Araneae

Family

Ctenidae

Genus

Bulboctenus