Xiruana fiebrigi, 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: 224-225

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-FFEC-FFAB-FF23-F96FFC39FD47

treatment provided by

Plazi

scientific name

Xiruana fiebrigi
status

new species

Xiruana fiebrigi  new species

Figs 13View FIGURE 13 C –D; 16 B

Type material. Female holotype from Jardín Botánico, Assunción (25 ° 16 ’ 55.91 ”S; 57 ° 38 ’ 6.36 ”W), Paraguay, K. Fiebrig leg., deposited in ZMB 3748.

Etymology. The specific name is a patronymic in honor of the collector of the holotype. Diagnosis. Females of Xiruana fiebrigi  n. sp. resemble those of X. gracilipes  and X. cocha  n. sp. by the epigynal plate with a triangular posterior border, but differs by the lack of a furrow along the anterior border and by the seminal receptacles inserted near the spermathecae ( Figs 13View FIGURE 13 C –D).

Description. Female ( ZMB 3748). Coloration as in X. hirsuta  . Total length 11.6, carapace length 4.1, width 3.3. Clypeus height 0.16. Eye diameters and interdistances: AME 0.16, ALE 0.16, PME 0.16, PLE 0.16; AME – AME 0.04, AME –ALE 0.06, PME –PME 0.24, PME –PLE 0.24, ALE –PLE 0.06. Chelicerae 2.2 long, with five promarginal teeth and five retromarginal denticles. Leg measurements: Leg I—femur 3.9 / patella 1.8 / tibia 4.1 / metatarsus 3.4 / tarsus 1.9 / total 15.1; II— 3.7 / 1.6 / 3.5 / 3.1 / 1.2 / 13.1; III— 2.9 / 1.2 / 2.0/ 2.4 / 0.9 / 9.4; IV—4.0/ 1.5 / 3.4 / 4.7 / 1.2 / 14.8. Leg spination: I—tibia v 2 - 2 -0, p0, r0, metatarsus v 2 -0-0, p0, r0; II—tibia v 1-2 -0, p0- 0-1, r0, metatarsus v 2 -0-0, p0, r0; III—p 1 - 0-1, r 1 - 0-1; IV—tibia p 1 - 1 - 1, r 1 - 1 - 1. Abdomen: length 7.5, epigastric furrow 1.3 from tracheal spiracle, spiracle 4.3 from base of spinnerets. Epigynum: copulatory ducts curved anteriorly; fertilization ducts longer than spermathecae width ( Figs 13View FIGURE 13 C –D).

Male. Unknown.

Other material examined. PARAGUAY. Asunción: (25 ° 16 ' 55.91 "S; 57 ° 38 ' 6.36 W), Jardín Botánico, 1 ♀, K. Fiebrig leg. ( ZMB 3748).

Distribution. Known only from Assunción, Paraguay ( Fig. 16View FIGURE 16 B).

ZMB

Museum für Naturkunde Berlin (Zoological Collections)

Kingdom

Animalia

Phylum

Arthropoda

Class

Arachnida

Order

Araneae

Family

Anyphaenidae

Genus

Xiruana