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
Brescovit, Antonio D.
Taucare-Ríos, Andrés
Magalhaes, Ivan L. F.
Santos, Adalberto J.
European Journal of Taxonomy
2017
2017-12-27
388
1
20
6QNJD
Brescovit & Taucare-Ríos & Magalhaes & Santos, 2017
Brescovit & Taucare-Ríos & Magalhaes & Santos
2017
[629,868,1289,1316]
Arachnida
Sicariidae
Loxosceles
Animalia
Araneae
13
14
Arthropoda
species
vallenar
sp. nov.
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 typelocality.
Type material Holotype CHILE: ♀, III Región de Atacama: Huasco, Vallenar, 3 kmS of Vallenar, 28.56667 S, 70.75 W, 460 ma.s.l., in scrubby mountain-side, under rocks, 7 Jan. 1985, N. Platnickand O. Franckeleg. ( 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 typelocality in the Atacama Region, Chile( Fig. 10).
1801059176
scrubby mountain-side, under rocks
1985-01-07
AMNH
Platnick & O. Francke
Chile
460
-28.56667
Vallenar, 3 km S of Vallenar
487
-70.75
Huasco
13
14
1
III Región de Atacama
holotype