Loxosceles vallenar Brescovit, Taucare-Ríos, Magalhaes, and Santos 2017
- Dataset
- 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
- Rank
- SPECIES
- Published in
- 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. European Journal of Taxonomy 388: 1-20, DOI: 10.5852/ejt.2017.388
Classification
- kingdom
- Animalia
- phylum
- Arthropoda
- class
- Arachnida
- order
- Araneae
- family
- Sicariidae
- genus
- Loxosceles
- species
- Loxosceles vallenar
description
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. 8 E).
description
Figs 8 E, 10
diagnosis
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. 8 E).
distribution
Distribution Known only from the type locality in the Atacama Region, Chile (Fig. 10).
etymology
Etymology The specific name is a noun in apposition taken from the type locality.
materials_examined
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).