Patrera tensa ( Keyserling, 1891 ) Oliveira & Brescovit, 2021

Oliveira, Luiz Fernando M. & Brescovit, Antonio D., 2021, The spider genus Patrera Simon (Araneae: Dionycha, Anyphaeninae) in the Atlantic Forest biome, with the description of one new species from Brazil, Zootaxa 4991 (2), pp. 201-246 : 223-227

Patrera tensa ( Keyserling, 1891) , new combination

Fig s 11A–G ; 12A–D ; 13A–F ; 27F

Anyphaena tensa Keyserling, 1891: 112 , pl. 3, f. 72 (Holotype female from Nova Friburgo (22°16’55”S; 42°31’51”W), Rio de Janeiro, Brazil, Prof. Göldi leg., deposited in BMNH, examined by photos).

Anyphaena tensipes Keyserling, 1891: 115 , pl. 3, f. 75 (Syntypes two males from Alto da Serra de Novo Friburgo , Rio de Janeiro, Brazil, Prof. Göldi leg., deposited in BMNH, examined by photos). New synonymy.

Teudis tensus: Petrunkevitch, 1911: 519 .

Teudis tensipes: Petrunkevitch, 1911: 519 ; Mello-Leitão, 1922: 27.

Synonymy. Couples collected together as referred to in the examined material allowed joining these nominal species.

Other materal examined. BRAZIL. Rio de Janeiro: Itatiaia, Parque Nacional de Itatiaia (22°22’31”S; 44°39’44”W), Camping do Spanner , 1♂, 18.XII.1996, R.I.C. Baptista leg. (IBSP 7401); 1♂, I.1998, R.I.C. Bap- tista leg. (IBSP 212903); São Paulo: São José do Barreiro, Parque Nacional da Serra da Bocaina (23°2’30”S; 44°39’42”W) , 1♂, 1♀, 28.IV–03.V.2002, Equipe Biota leg. (IBSP 138566); 1♂, 28.IV–03.V.2002, Equipe Biota leg. (IBSP 138571); 1♀, 28.IV–03.V.2002, Equipe Biota leg. (IBSP 138592); 1♂, 28.IV–03.V.2002, Equipe Biota leg. (IBSP 138574); 1♀, 28.IV–03.V.2002, Equipe Biota leg. (IBSP 138589).

Diagnosis. Patrera tensa resembles P. pellucida by the similar embolus and route of the sperm duct in the tegulum of male palp (as in Figs 22A , 23A , 24B ) and having small hood in the female epigynum (as in Figs 22F , 23C , 24F ), but differ by the absence of retrolateral basal projection in the cymbium, by the narrow retrolateral tibial apophysis which is fan-shaped at the apex and by the enlarged basal area of the median apophysis in the male palp ( Figs 11C–E , 12A, B , 13B–E ). Females differs by the epigynum presenting small, triangular atrium, with parallel, not coiled copulatory ducts between the spermathecae ( Figs 11F, G , 12C, D ).

Description. Male (IBSP 138574). Carapace and legs yellow; chelicerae yellow; labium and endites yellow. Abdomen with spots dorsal; ventrally cream ( Fig. 11A ). Total length 6.5, carapace length 2.9, width 2.4. Clypeus height 0.10. Eye diameters and interdistances:AME 0.08, ALE 0.10, PME 0.12, PLE 0.10; AME–AME 0.08, AME– ALE 0.06, PME–PME 0.18, PME–PLE 0.10, ALE–PLE 0.06. Chelicerae 1.1 long, four promarginal teeth, six retromarginal denticles ( Fig. 13A ). Leg measurements: leg I—femur 4.2/ patella 1.1/ tibia 4.8/ metatarsus 4.2/ tarsus 2.0 total 16.2; II—3.6/ 1.1/ 4.0/ 3.5/ 1.6/ 13.8; III—2.3/ 0.8/ 1.95/ 2.1/ 0.9/ 8.05; IV—3.3/ 0.95/ 2.9/ 3.8/ 1.1/ 12.05. Leg spination: I—tibia v2-2-0, p1-1-1, r1-1-1, metatarsus v2-0-0, p1-1-1, r1-1-1; II—tibia v2-2-0, p1-1-1, r1-1-1, metatarsus v2-1-0, p1-1-1, r1-1-1; III—tibia v2-2-0, p1-1-0, r1-1-0, metatarsus v2-2-2, p1-1-1, r1-1-1; IV—tibia v2-2-2, p1-1-0, r1-1-0, metatarsus v2-2-2, p1-1-1, r1-1-1. Abdomen: length 3.5, epigastric furrow 1.0 from tracheal spiracle, spiracle 1.1 from base of spinnerets. Palp: tibia as long as cymbium, slightly curved; tibial retrolateral apophysis with base slightly projected and scaly in the apex; cymbium oval; tegulum oval, with sperm duct sinuous at base; tegular projection short, not surpassing the distal border of tegulum; subapical median apophysis, curved at apex; furrowed, slender and curved embolus, originating at the base of the tegulum ( Figs 11C–E , 12A, B , 13B–E ).

Female (IBSP 138589). Carapace yellow. Chelicerae yellow; labium, endites and sternum yellow. Legs yellow, darkest from tibiae to tarsi. Abdomen yellow with spots dorsal; ventrally yellow ( Fig. 11B ). Total length 6.4, carapace length 2.7, width 2.0. Clypeus height 0.08. Eye diameters and interdistances: AME 0.08, ALE 0.12, PME 0.12, PLE 0.12; AME–AME 0.04, AME–ALE 0.04, PME–PME 0.12, PME–PLE 0.10, ALE–PLE 0.04. Chelicerae 1.1 long, four promarginal teeth, six retromarginal denticles. Leg measurements: leg I—femur 2.75/ patella 0.9/ tibia 2.8/ metatarsus 2.3/ tarsus 1.2/ total 9.95; II—2.5/ 0.9/ 2.5/ 2.1/ 1.0/ 9.0; III—1.85/ 0.89/ 1.3/ 1.6/ 0.78/ 6.42; IV—2.4/ 0.7/ 2.1/ 2.7/ 0.9/ 8.8. Leg spination: I—tibia v2-2-0, metatarsus p1-0-1, r1-0-1; II—tibia v2-0-0, p1-0- 0, r1-0-0, metatarsus v2-0-0, p1-0-0, r1-0-0; III—tibia v2-2-0, p0-1-1, r0-1-1, metatarsus v2-2-2, p1-1-1, r1-1-1; IV—tibia v2-2-0, p0-1-1, r0-1-1, metatarsus v2-2-2, p1-1-1, r1-1-1. Abdomen: length 3.6, epigastric furrow 1.3 from tracheal spiracle, spiracle 1.4 from base of spinnerets. Epigynum: lateral borders small, connected distally; small atrium; short and semicircular hood; internally with elongated and parallel copulatory ducts, short seminal receptacles, in the posterior portion of the copulatory ducts, reniform spermathecae; fertilization ducts short, curved, basal ( Figs 11F, G , 12C, D ).

Variation. Males (n=6): total length 6.1–7.5; carapace length 2.8–3.2; femur I length 4.1–4.4; Females (n=4): total length: 6.2–6.8; carapace length 2.6–2.7; femur I length 2.7–2.9.

Distribution. Southeast of Brazil. ( Fig. 27F ).

Figures

FIGURE 11A–G. Patrera tensa (Keyserling, 1891). Male (IBSP 138589): A habitus, dorsal view; C left palp, ventral view; D same, retrolateral view; E same, dorsal view. Female (IBSP 138574): B habitus, dorsal view; F epigynum, ventral view; G epigynum, dorsal view.Abbreviations: E, embolus; MA, median apophysis; RTA, retrolateral tibial apophysis; T, tegulum. Scale bars: A, B 3.5mm; C–E 0.66mm; F, G 0.25mm.

FIGURE 12A–D. Patrera tensa (Keyserling, 1891). Male (IBSP 138574): A left palp, ventral view; B same, retrolateral view. Female (IBSP 138566): C epigynum, ventral view; D epigynum, dorsal view. Abbreviations: A, atrium; CD, copulatory ducts; CO, copulatory opening; E, embolus; FD, fertilization ducts; H, hood; MA, median apophysis; RTA, retrolateral tibial apophysis; S, spermathecae; SR, seminal receptacles; T, tegulum. Scale bars: A–D 0.25mm.

FIGURE 13A–F. Patrera tensa (Keyserling, 1891). Male (IBSP 139775). A chelicerae, ventral view; B left palp, ventral view; C same, ventral view; D same, retrolateral view, distal area, detail; E same, ventral view; F same, retrolateral view. Abbreviations: E, embolus; MA, median apophysis; RTA, retrolateral tibial apophysis; T, tegulum. Scale bars: A 0.3mm; B 0.4mm; C–F 0.1mm.

FIGURE 22A–G. Patrera pellucida (Keyserling, 1891). Male (IBSP 139447):A habitus, dorsal view; C left palp, ventral view; D same, retrolateral view; E same, dorsal view. Female (IBSP 139447): B habitus, dorsal view; F epigynum, ventral view; G epigynum, dorsal view.Abbreviations: CD, copulatory ducts; E, embolus; FD, fertilization ducts; H, hood; MA, median apophysis; RTA, retrolateral tibial apophysis; S, spermathecae; SR, seminal receptacles; T, tegulum. Scale bars: A, B 3.5mm; C 0.5mm; D, E 0.66mm; F, G 0.25mm.

FIGURE 23A–D. Patrera pellucida (Keyserling, 1891). Male (IBSP 139529): A left palp, ventral view; B same, retrolateral view. Female (IBSP 139935): C epigynum, ventral view; D epigynum; dorsal view. Abbreviations: A, atrium; CD, copulatory ducts; E, embolus; FD, fertilization ducts; H, hood; MA, median apophysis; RTA, retrolateral tibial apophysis; S, spermathecae; SR, seminal receptacles; T, tegulum. Scale bars: A–D 0.25mm.

FIGURE 24A–F. Patrera pellucida (Keyserling, 1891). Male (IBSP 35038): A chelicerae, ventral view; B left palp, ventral view; C same, ventral view, distal area, detail; D same, retrolateral view; E same, ventral view. Female (IBSP 139541): F epigynum, ventral view. Abbreviations: E, embolus; H, hood; LB, lateral borders; MA, median apophysis; RTA, retrolateral tibial apophysis; T, tegulum. Scale bars: A, B 0.4mm; C–F 0.1mm.

FIGURE 27A–F. Distribution map of Patrera species.