Xiruana affinis ( Mello-Leitão, 1922 ),

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-FC7EFD3DF8EF

treatment provided by

Plazi

scientific name

Xiruana affinis ( Mello-Leitão, 1922 )
status

 

Xiruana affinis ( Mello-Leitão, 1922) 

Figs 11View FIGURE 11 G –H; 15 B

Aysha affinis Mello-Leitão, 1922: 23  (female holotype from Belo Horizonte (19 ° 49 ’01”S; 43 ° 57 ’ 21 ”W), Minas Gerais, Brazil deposited in MNRJ 0 1453, examined).

Xiruana affinis: Brescovit, 1997: 104  .

Diagnosis. Females of Xiruana affinis  resemble those of X. aymara  n. sp. by the epigynal plate with the posterior border twice as wide as the anterior border, but differs by the conspicuous atrium, copulatory ducts not curved distally and spermathecae clearly separated ( Figs 11View FIGURE 11 G, H).

Description. Female ( MZSP 12288). Coloration as in X. hirsuta  . Total length 7.5, carapace length 3.5, width 2,1. Clypeus height 0.16. Eye diameters and interdistances: AME 0.12, ALE 0.12, PME 0.1, PLE 0.1; AME –AME 0.08, AME –ALE 0.08, PME –PME 0.24, PME –PLE 0.2, ALE –PLE 0.08. Chelicerae 1.9 long, with four promarginal teeth and five retromarginal denticles. Leg measurements: Leg I—femur 3.1 / patella 1.9 / tibia 3.5 / metatarsus 2.6 / tarsus 1.3 / total 12.4; II— 3.3 / 1.3 / 3.0/ 2.3 / 1.0/ 10.9; III—2.0/ 1.0/ 1.5 / 1.7 / 1.0/ 7.2; IV— 3.5 / 1.0/ 2.9 / 4.0/ 1.0/ 12.4. Leg spination: I—tibia v 2 - 2 - 2, p0, r0, metatarsus v 2 -0-0, p0, r0; II—tibia v 2 - 2 -0, p0- 0-1, r0, metatarsus v 2 -0-0, p0, r0; III—tibia p 1 - 1 - 1, r 1 - 1 - 1; IV—tibia p 1 - 1 - 1, r 1 - 1 - 1. Epigynum: short seminal receptacles inserted medially on copulatory ducts; spermathecae oval, fertilization ducts short ( Figs 11View FIGURE 11 G, H). Abdomen: length 4.0, epigastric furrow 0.9 from tracheal spiracle, spiracle 2.0 from base of spinnerets.

Male. Unknown.

Other material examined. BRAZIL. Minas Gerais: Rio Pardo de Minas (15 ° 36 ' 36 "S; 42 ° 32 ' 24 ”W), 1 ♀, 10.I. 1952, L.R. Araújo leg. ( MZSP 12288).

Distribution. Southeast Brazil ( Fig. 15View FIGURE 15 B).

MNRJ

Museu Nacional/Universidade Federal de Rio de Janeiro

MZSP

Sao Paulo, Museu de Zoologia da Universidade de Sao Paulo

Kingdom

Animalia

Phylum

Arthropoda

Class

Arachnida

Order

Araneae

Family

Anyphaenidae

Genus

Xiruana

Loc

Xiruana affinis ( Mello-Leitão, 1922 )

Oliveira, Luiz Fernando M. & Brescovit, Antonio D. 2015
2015
Loc

Aysha affinis Mello-Leitão, 1922 : 23

Mello-Leitao 1922: 23
Loc

Xiruana affinis:

Brescovit 1997: 104