Xiruana tapirape, Oliveira, Luiz Fernando M. & Brescovit, Antonio D., 2015

Oliveira, Luiz Fernando M. & Brescovit, Antonio D., 2015, A taxonomic revision of the Neotropical spider genus Xiruana Brescovit 1997 (Araneae: Anyphaenidae, Anyphaeninae), Zootaxa 3980 (2), pp. 201-229: 223

publication ID

http://dx.doi.org/10.11646/zootaxa.3980.2.3

publication LSID

lsid:zoobank.org:pub:13D14535-2FCD-4E8D-A8EC-01CC9D6F38CC

persistent identifier

http://treatment.plazi.org/id/03839756-FFED-FFA5-FF23-FCBAFCF1FA09

treatment provided by

Plazi

scientific name

Xiruana tapirape
status

new species

Xiruana tapirape  new species

Figs 12View FIGURE 12 G –H; 16 B

Type material. Female holotype from Barra do Tapirapé  (10 ° 37 ’ 35.21 ”S; 51 °02’ 47.64 ”W), Mato Grosso, Brazil, 11–30.XI. 1960, B. Malkin leg., deposited in AMNH.

Etymology. The specific name is a noun in apposition taken from the type locality.

Diagnosis. Females of Xiruana tapirape  n. sp. are readily recognized by the cordiform epigynal plate ( Fig. 12View FIGURE 12 G).

Description. Female (Holotype). Coloration as in X. hirsuta  . Total length 5.57, carapace length 2.58, width 1.5. Clypeus height 0.08. Eye diameters and interdistances: AME 0.14, ALE 0.14, PME 0.12, PLE 0.14; AME – AME 0.06, AME –ALE 0.04, PME –PME 0.2, PME –PLE 0.10, ALE –PLE 0.04. Chelicerae 1.3 long, with four promarginal teeth and five retromarginal denticles. Leg measurements: Leg I—femur 2.2 / patella 1.0/ tibia 2.6 / metatarsus 2.0/ tarsus 1.1 / total 8.9; II— 2.1 / 1.0/ 2.0/ 1.7 / 0.9 / 7.7; III— 1.6 / 0.6 / 1.0/ 1.3 / 0.5 / 5.0; IV— 2.5 / 1.0/ 2.1 / 2.7 / 0.8 / 9.1. Leg spination: I—tibia v 2 - 2 -0, p0, r0, metatarsus v 2 -0-0, p0, r0; II—tibia v 1-2 -0, p 0-1 -0, r0, metatarsus v 2 -0-0, p0, r0; IV—tibia p 1 - 1 - 1, r 1 - 1 - 1. Abdomen: length 2.2, epigastric furrow 0.5 from tracheal spiracle, spiracle 2.0 from base of spinnerets. Epigynum: seminal receptacles contiguous to the spermathecae; copulatory ducts short and curved; fertilization ducts longer than the width of the oval spermathecae ( Fig. 12View FIGURE 12 H).

Male. Unknown.

Other material examined. Only the holotype.

Distribution. Known only from the type locality ( Fig. 16View FIGURE 16 B).

AMNH

American Museum of Natural History

Kingdom

Animalia

Phylum

Arthropoda

Class

Arachnida

Order

Araneae

Family

Anyphaenidae

Genus

Xiruana