Masteria sabrinae

Passanha, Victor & Brescovit, Antonio D., 2018, On the Neotropical spider Subfamily Masteriinae (Araneae, Dipluridae), Zootaxa 4463 (1), pp. 1-73: 48-50

publication ID

http://doi.org/ 10.5281/zenodo.1441911

publication LSID

lsid:zoobank.org:pub:20E7F0F5-7592-47CE-B67F-36DE0124E76F

persistent identifier

http://treatment.plazi.org/id/03D95431-A21F-8E52-FF36-4911FDAF7F49

treatment provided by

Plazi

scientific name

Masteria sabrinae
status

n. sp.

Masteria sabrinae  n. sp.

( Figs 27View FIGURE 27, 31CView FIGURE 31, 32View FIGURE 32)

Types. MARTINIQUE. ♂ holotype  , ♀ paratype, Plateau de La Concorde (14°40’00”N; 61°06’00”W)GoogleMaps  , Martinique, 2012-2013, Museum team leg., deposited in CPM. ♀ paratype with same data of holotype ( IBSP 167200View Materials)GoogleMaps  .

Additional material examined. MARTINIQUE. Plateau de La Concorde (14°40’00”N; 61°06’00”W), 9♂, 2012-2013, Museum team leg. ( CPM)GoogleMaps  ; 4♂ Plateau de La Concorde (14°40’00”N; 61°06’00”W), 9♂, 2012-2013, Musem team leg. ( IBSP 167201View Materials, 167202View Materials)GoogleMaps  .

Diagnosis. Males from Masteria sabrinae  n. sp. resemble those of Masteria spinosa  , M. simla  and M. galipote  n. sp. in having a paraembolic apophysis ( Fig. 27B –CView FIGURE 27), but differ in having a conical tooth in the embolar base ( Fig. 27BView FIGURE 27). Females resemble those of Masteria manauara  and M. petrunkevitchi  in the unilobed spermathecae, but differ in the elongated lobe, thickened duct and apex curved to ectal side ( Fig. 27D –FView FIGURE 27).

Etymology. In honor of the biologist Sabrina de Souza Ferreira  , the senior author`s fiancée.

Description. Male (Holotype). Color: Carapace in dorsal view and legs yellowish, carapace in ventral view and abdomen whitish. Total length 3.47. Carapace 1.72 long, 1.32 wide. Abdomen 1.75 long. Fovea 0.12. Clypeus 0.04. Ocular tubercle 0.13 long, 0.25 wide. Eyes: eight, posterior row recurved ( Fig. 27AView FIGURE 27). AME, 0.02, ALE 0.10, PME 0.05, PLE 0.08. Basal segment of chelicerae with 11 prolateral teeth, and 12 smaller mesobasal teeth. Labium 0.25 long, 0.32 wide. Sternum 0.79 wide, 0.91 long. Palp: femur 0.94/ patella 0.60/ tibia 0.72/ tarsus 0.50/ total 2.76. Legs I: femur 1.47/ patella 0.72/ tibia 1.25/ metatarsus 0.94/ tarsus 0.82/ total 5.20; II: femur 1.19/ patella 0.63/ tibia 0.94/ metatarsus 0.88/ tarsus 0.72/ total 4.36; III: 1.25/ 0.47/ 0.88/ 0.97/ 0.69/ 4.26; IV: 1.69/ 0.72/ 1.35/ 1.41/ 0.94/ 6.11; Leg formula 4123; Spination: palp: femur p1, patella d1-3ap, p1, tibia p1; Legs I: patella v1-3 ap, p1, tibia v1-1, metatarsus v1-1 -1; II: femur p1, patella v1-3 ap, p1, tibia v1-1 -3ap, p1-1, metatarsus v1-1 -1, p1; III: femur p1, patella v1-3 ap, p1-1, r1, tibia d2b-1-1, v1-1 -1-1-3ap, p1-1, r1-1, metatarsus d1-2, v3-3 -3, p1-1; IV: femur p1, r1, patella v1-3 ap, p1, r1, tibia d2b-1-1, v1-2 -3ap, p1-1, r2-1-1, metatarsus d1-1-2ap, v2-3 -3ap, p1, r1. Tibia I: P1 with strong and projected spur with semi-quadrate apex, P2 with strong spine with slightly projected base below P1 and P3, and P3 two strong spines sharing the same projected base. Metatarsus I with flattened basal spine and basal depression associated with prolateral process of tibia I ( Figs 27EView FIGURE 27, 31CView FIGURE 31). Palpal tibia 2.5 times length of cymbium, basally dilated, with rows of ventral and dorsal elongated slender setae and 18-20 strong retrolateral spines on tibia ( Fig. 27CView FIGURE 27). Cymbium as long as wide with 4 apical spines. Palpal bulb piriform, embolus as long flattened paraembolic apophysis, coiled distally ( Fig. 27B –CView FIGURE 27). PLS: basal, medial and apical, 0.50, 0.47, 0.47 long.

Female (Paratype, IBSP 167200). Color: Carapace in dorsal and ventral views, and legs yellowish, abdomen whitish. Total length 3.79. Carapace 1.66 long, 1.29 wide. Abdomen 2.13 long. Fovea 0.10. Clypeus 0.03. Ocular tubercle 0.13 long, 0.25 wide. Eyes: eight, posterior row slightly recurved. AME 0.02, ALE 0.10, PME 0.04, PLE 0.06. Basal segment of chelicerae with 11 prolateral teeth, and 12 smaller mesobasal teeth. Labium 0.19 long, 0.38 wide. Sternum 0.75 wide, 0.88 long. Palp: femur 0.94/ patella 0.43/ tibia 0.69/ tarsus 0.69/ total 2.75; Legs I: femur 1.41/ patella 0.72/ tibia 1.07/ metatarsus 0.75/ tarsus 0.60/ total 4.55; II: 1.13/ 0.66/ 0.75/ 0.69/ 0.57/ 3.80; III: 1.10/ 0.47/ 0.69/ 0.79/ 0.60/ 3.65; IV: 1.41/ 0.63/ 1.10/ 0.94/ 0.72/ 4.80; Leg formula 4123. Spination: palp: femur p1, patella v1-3 ap, p1, r1, tibia v1-1 -3ap, tarsus v1 b; Legs I: femur p1, patella v1-3 ap, p1-1, r1, tibia v1-1 -3ap, metatarsus v1-1; II: femur p1, patella v1-1 -3ap, p1-1, r1, tibia v1-1 -3ap, p1, metatarsus v1-1 -1, p1; III: femur p1, r1, patella v1-3 ap, p1-1, r1-1, tibia d2b-1-1, v1-1 -1-3ap, p1-1, r1, metatarsus d1-2, v2 b-3-3ap, p1, r1; IV: femur p1, r1, patella v1-1 -3ap, p1-1, r1-1, tibia d1b-1, v1-1 -1-3ap, p1-1, r2-1-1, metatarsus d1-2, v2 b-3-3ap, p1-1, r1. Palpal claw with 17 teeth. Spermathecae with globose apex, on narrow glandular region ( Fig. 27E –FView FIGURE 27). PLS: basal, medial and apical, 0.60, 0.41, 0.44 long.

Variation. 5 males: total length 3.00–3.88.

Distribution. Martinique ( Fig. 32View FIGURE 32).

CPM

Christoffel Park Museum

IBSP

Instituto Biologico de Sao Paulo

Kingdom

Animalia

Phylum

Arthropoda

Class

Arachnida

Order

Araneae

Family

Dipluridae

Genus

Masteria