Published December 27, 2017 | Version v1
Taxonomic treatment Open

Loxosceles vallenar Brescovit & Taucare-Ríos & Magalhaes & Santos 2017, sp.nov.

Description

Loxosceles vallenar sp.nov. urn:lsid:zoobank.org:act:C3AAF160-148A-483A-8976-7391C4754F29 Figs 8E, 10 Diagnosis

Females of Loxosceles vallenar sp. nov. can be distinguished from other Chilean species by the spermathecae with large base and slender, curved receptacles (Fig. 8E).

Etymology

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

Type material

Holotype

CHILE: ♀, III Región de Atacama: Huasco, Vallenar, 3 km S of Vallenar, 28.56667 S, 70.75 W, 460 m a.s.l., in scrubby mountain-side, under rocks, 7 Jan. 1985, N. Platnick and O. Francke leg. (AMNH).

Description

Male

Unknown.

Female (holotype, AMNH)

Carapace anteriorly and laterally orange, posteriorly yellow, lacking the dark-coloured violin-shaped median band. Chelicerae red brown. Endites and labium orange. Sternum, legs and coxae, femur and patella of palps yellow. Palpal tibia and tarsus red brown. Opisthosoma uniformly grey. Total length 6.0. Carapace 2.2 long, 1.6 wide. Clypeus 0.25 high. Eye diameters: ALE 0.1, PME 0.12, PLE 0.1. Sternum 1.2 long, 0.9 wide. Leg I: femur 2.1, patella 0.6, tibia 2, metatarsus 1.8, tarsus 0.7, total 7.2. II: 2.2, 0.6, 2.0, 1.8, 0.7, 7.3. III: 1.9, 0.6, 1.5, 1.6, 0.5, 6.1. IV: 2.3, 0.7, 2.2, 2.1, 0.7, 8.0. Leg formula 4213. Palp tarsus 0.7 long, enlarged. Spermathecae with oval receptacle (Fig. 8E).

Distribution

Known only from the type locality in the Atacama Region, Chile (Fig. 10).

Notes

Published as part of Brescovit, Antonio D., Taucare-Ríos, Andrés, Magalhaes, Ivan L. F. & Santos, Adalberto J., 2017, On Chilean Loxosceles (Araneae: Sicariidae): first description of the males of L. surca and L. coquimbo, new records of L. laeta and three remarkable new species from coastal deserts, pp. 1-20 in European Journal of Taxonomy 388 on pages 14-16, DOI: 10.5852/ejt.2017.388, http://zenodo.org/record/1133570

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Linked records

Additional details

Biodiversity

Collection code
AMNH
Event date
1985-01-07
Family
Sicariidae
Genus
Loxosceles
Kingdom
Animalia
Order
Araneae
Phylum
Arthropoda
Scientific name authorship
Brescovit & Taucare-Ríos & Magalhaes & Santos
Species
vallenar
Taxonomic status
sp. nov.
Taxon rank
species
Type status
holotype
Verbatim event date
1985-01-07
Taxonomic concept label
Loxosceles vallenar Brescovit, Taucare-Ríos, Magalhaes & Santos, 2017