Xiruana lusitania, 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: 220-223

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-FFE8-FFA5-FF23-F8D1FC0AFD20

treatment provided by

Plazi

scientific name

Xiruana lusitania
status

new species

Xiruana lusitania  new species

Figs 12View FIGURE 12 A –F; 15 B

Type material. Male holotype from Belém (2 °07’ 40.69 ”S; 54 ° 50 ’ 54.38 ”W), Pará, Brazil deposited in MNHN 6099.

Etymology. The specific name, a noun in apposition, is a tribute to the people that lived the city of Feliz Lusitânia  (currently the city of Belém) in the 17 th century, during the colonial period.

Diagnosis. Males of Xiruana lusitania  n. sp. differ from those of all other species in the genus by the conductor of Anyphaeninae with a spatulated apex and by the short median tibial apophysis ( Figs 12View FIGURE 12 A, D –F).

Description. Male ( MNHN 6099). Coloration as in X. hirsuta  . Total length 5.6, carapace length 2.7, width 2.1. Clypeus height 0.08. Eye diameters and interdistances: AME 0.1, ALE 0.1, PME 0.12, PLE 0.1; AME –AME 0.06, AME –ALE 0.04, PME – PME 0.12, PME –PLE 0.08, ALE –PLE 0.02. Chelicerae 1.3 long, with four promarginal teeth and five retromarginal denticles. Leg measurements: Leg I—femur 2.4 / patella 1.0/ tibia 2.5 / metatarsus 2.2 / tarsus 1.0/ total 9.0; II— 2.1 / 1.0/ 2.0/ 1.7 / 0.7 / 7.5; III— 1.6 / 0.7 / 1.2 / 1.8 / 0.4 / 5.7; IV— 2.4 / 0.9 / 2.0/ 2.5 / 0.6 / 8.4. Leg spination: I—tibia p 1 - 0-1, r0, metatarsus p0, r0; II—tibia v 1-2 - 2, p 0-1 - 1, r0, metatarsus v 2 - 1 -0, p0, r0; IIItibia p 1 - 0-1, r 0-1 - 1; IV—tibia p 1 - 1 - 1, r 1 - 1 - 1. Palp: retrolateral tibial apophysis anterior branch very small and slender; posterior branch long and curved at tip; median apophysis narrowed at tip, without distal dilatation ( Figs 12View FIGURE 12 D –F). Abdomen: length 2.9, epigastric furrow 0.6 from tracheal spiracle, spiracle 1.4 from base of spinnerets. Female: Unknown.

Other material examined. Only the holotype.

Distribution. Known only from Belém, Pará, Brazil ( Fig. 15View FIGURE 15 B).

MNHN

Museum National d'Histoire Naturelle

Kingdom

Animalia

Phylum

Arthropoda

Class

Arachnida

Order

Araneae

Family

Anyphaenidae

Genus

Xiruana