Xiruana guaia, 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: 220

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-FFE8-FFA0-FF23-FF0FFC8EFC71

treatment provided by

Plazi

scientific name

Xiruana guaia
status

new species

Xiruana guaia  new species

Figs 11View FIGURE 11 A –F; 16 A

Type material. Male holotype from Usina Hidrelétrica Serra da Mesa, Minaçu  13 ° 31 ’ 58 ”S; 48 ° 13 ’ 12 ”W, Goiás, Brazil, 18–30.XI. 1996, A.B. Bonaldo, L. Moura leg., deposited in MCN 27960View Materials.

Etymology. The specific name is a compound noun from the indigenous language Tupi, roughly meaning “similar people”, from which the name of the state of Goiás is derived.

Diagnosis. Males of Xiruana guaia  n. sp. are promptly recognized by the median apophysis strongly curved medially, forming a bend with more than 90 degree, and by the short median tibial apophysis ( Figs 11View FIGURE 11 A –F).

Description. Male ( MCN 27960View Materials). Coloration as in X. hirsuta  . Total length 6.7, carapace length 3.0, width 2.4. Clypeus height 0.08. Eye diameters and interdistances: AME 0.16, ALE 0.14, PME 0.14, PLE 0.14; AME –AME 0.02, AME –ALE 0.04, PME –PME 0.14, PME –PLE 0.12, ALE –PLE 0.04. Chelicerae 1.30 long, with five promarginal teeth and five retromarginal denticles. Leg measurements: Leg I—femur 3.2 / patella 1.3 / tibia 3.58 / metatarsus 3.3 / tarsus 1.6 / total 12.98; II— 2.9 / 1.2 / 2.9 / 2.7 / 1.2 / 10.9; III— 2.2 / 1.0/ 1.7 / 2.0/ 0.73 / 7.63; IV—3.0/ 1.1 / 2.8 / 3.72 / 0.9 / 11.52. Leg spination: I—tibia p 0-1 -0, r 1 - 1 - 1, metatarsus v 2 -0-0; II—tibia r 1 - 1 - 1, metatarsus v 2 - 0-0; III—tibia p 1 - 1 - 1, r 1 - 1 - 1; IV—tibia p 1 - 1 - 1, r 1 - 1 - 1. Palp: retrolateral tibial apophysis anterior branch short, posterior branch elongated; embolus flattened ( Figs 11View FIGURE 11 A –F). Abdomen: length 3.6, epigastric furrow 0.5 from tracheal spiracle, spiracle 2.0 from base of spinnerets.

Female: Unknown.

Other material examined. BRAZIL, Amazonas: Manaus, (03°06'00"S; 60 °01'00"W), Reserva Florestal Adolpho Ducke, 1 ♂ ( IBSP 165982).

Distribution. Midwest and North Brazil ( Fig. 16View FIGURE 16 A).

IBSP

Instituto Biologico de Sao Paulo

Kingdom

Animalia

Phylum

Arthropoda

Class

Arachnida

Order

Araneae

Family

Anyphaenidae

Genus

Xiruana