Tampilan Petugas: Loxosceles surca Gertsch 1967

Loxosceles surca Gertsch 1967

Main Authors:	Brescovit, Antonio D., Taucare-Ríos, Andrés, Magalhaes, Ivan L. F., Santos, Adalberto J.
Format:	info publication-taxonomictreatment Journal
Terbitan:	, 2017
Subjects:	Biodiversity Taxonomy Animalia Arthropoda Arachnida Araneae Sicariidae Loxosceles Loxosceles surca
Online Access:	https://zenodo.org/record/6010750

ctrlnum	6010750
fullrecord	<?xml version="1.0"?> <dc schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd"><coverage>name=Rimac Valley; east=-76.4411; north=-11.8849</coverage><creator>Brescovit, Antonio D.</creator><creator>Taucare-Ríos, Andrés</creator><creator>Magalhaes, Ivan L. F.</creator><creator>Santos, Adalberto J.</creator><date>2017-12-27</date><description>Loxosceles surca Gertsch, 1967 Figs 1B–D, 8A, 9B, 10 Loxosceles surca Gertsch, 1967: 157, pl. 8, figs 4, 6, 12 (female holotype from Peru, Lima, Surco, Rimac Valley, 11.8849 S, 76.4411 W, 2000 m a.s.l., 9 Oct. 1963, A. Herrer and P. Wygodzinsky leg., deposited in AMNH, not examined). — Taucare-Ríos 2011: 45, figs 1, 3. — World Spider Catalog 2017. Note Males and females were collected next to each other in at least three different localities. Diagnosis Loxosceles surca could be confused in Chile only with the sympatric L. laeta. It is distinguished from L. laeta by the anterior border of the carapace very hirsute, the male palp with tibia narrowed medially, with a dorsal concavity, and five times longer than the cymbium (Fig. 1B–C). The female internal genitalia are very similar to those of L. laeta, but can be distinguished by the almost absent transverse enlargement at the base of the tubular receptacles (Fig. 8A). Material examined CHILE. I Región de Tarapacá: Tamarugal, 1 &female;, 10 imms, Huara, Chusmiza, 19.68333 S, 69.18333 W, 3–250 m a.s.l., 10 Nov. 1992, L.E. Peña leg. (AMNH). – XV Región de Arica y Parinacota: Arica, 3 &female;&female;, Arica, San Miguel de Azapa, 18.53533 S, 70.14983 W, 342 m a.s.l., 12 Jul. 2012, A.D. Brescovit, A.J. Santos and A. Taucare-Ríos leg. (IBSP 167059); 1 &female;, Playa Corazones, next to the Cuevas de Anzotas, 18.5482 S, 70.3307 W, 23 m a.s.l., 12 Jul. 2012, A.D. Brescovit, A.J. Santos and A. Taucare-Ríos leg. (IBSP 167061); Parinacota, 1 &male;, 3 &female;&female;, Putre, Chapiquiña, 18.39472 S, 69.53694 W, 12 Nov. 1983 (AMNH); 2 &female;&female;, 2 km S of Zapahuira, 18.33333 S, 69.56667 W, 3400 m a.s.l., 3 Feb. 1994, N.I. Platnick et al. leg. (AMNH); 1 &male;, 1 imm., 24 km S of Zapahuira, 18.41667 S, 69.51667 W, 3640 m a.s.l., 3 Feb. 1997, N.I. Platnick et al. leg. (AMNH); 1 &male;, 1 imm., ditto, 3 Feb. 1998 (AMNH); 1 &female;, 6 km S of Zapahuira, 18.35 S, 69.56667 W, 3420 m a.s.l., 3 Feb. 1996, N.I. Platnick et al. leg. (AMNH); 1 &female;, 9 km S of Zapahuira, 18.35 S, 69.53333 W, 3620 m a.s.l., 5 Feb. 1994, N.I. Platnick et al. leg. (AMNH). Description Male (Zapahuira, Putre, Parinacota, Chile, AMNH) Carapace yellowish, with the darker, violin-shaped median band typical of Loxosceles (Taucare-Ríos 2011: fig. 3). Endites and labium yellow. Sternum yellowish. Legs yellow with tibia, metatarsus and tarsus brown. Palp red brown, with distal articles reddish brown. Opisthosoma grey, with inconspicuous cardiac area. Total length 9.8. Caparace 3.8 long, 4.4 wide. Clypeus 0.55 high, with border hirsute. Eye diameters: ALE 0.2, PME 0.24, PLE 0.22. Sternum 2.3 long, 1.9 wide. Leg I: femur 6.0, patella 1.5, tibia 6.5, metatarsus 6.9, tarsus 2.2, total 23.1. II: 6.8, 1.6, 7.1, 7.7, 2.0, 25.2. III: 6.2, 1.6, 5.6, 6.8, 1.7, 21.9. IV: 6.9, 1.6, 7.0, 8.2, 2.0, 25.7. Tibiae sinuous, with ventral erect setae (Fig. 9B). Leg formula 4213. Palpal femur 5.2 long, 0.5 wide. Palpal tibia 2.8 long, 0.6 wide. Palp with cymbium as long the tegular base, and a long, slender and curved embolus (Fig. 1C). Female Described by Gertsch (1967). Clypeus as in male. Palp tarsus 1.5 long, narrow. Spermathecae with tubular receptacle straight, with sclerotized base (Fig. 8A). Variation Male (n = 3): Total length 8.0–10.0, carapace 4.1–4.4 long, femur I 5.6–6.8 long. Palpal tibia 2.8–3.0 long, 0.5–0.6 wide. Female (n = 8): total length 10.0–12.4, carapace 4.8–5.4 long, femur I 5.2–5.6 long. Palpal tarsus 1.4–1.6 long. Distribution Known only from northern Chile, in Tarapacá and Arica y Parinacota Regions (Fig. 10) and from Peru: Santiago de Surco and Chosica (Gertsch 1967).</description><description>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 7-8, DOI: 10.5852/ejt.2017.388, http://zenodo.org/record/1133570</description><identifier>https://zenodo.org/record/6010750</identifier><identifier>10.5281/zenodo.6010750</identifier><identifier>oai:zenodo.org:6010750</identifier><relation>info:eu-repo/semantics/altIdentifier/url/http://treatment.plazi.org/id/4440F01F8C29FF59FDDFFE44D7CEFDAE</relation><relation>doi:10.5852/ejt.2017.388</relation><relation>url:http://zenodo.org/record/1133570</relation><relation>url:http://publication.plazi.org/id/B87988678C2FFF5EFF82FFDAD527FF80</relation><relation>doi:10.5281/zenodo.1133572</relation><relation>doi:10.5281/zenodo.1133586</relation><relation>doi:10.5281/zenodo.1133588</relation><relation>doi:10.5281/zenodo.1133590</relation><relation>doi:10.5281/zenodo.6010749</relation><relation>url:https://zenodo.org/communities/biosyslit</relation><rights>info:eu-repo/semantics/openAccess</rights><rights>https://creativecommons.org/publicdomain/zero/1.0/legalcode</rights><source>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 7-8</source><subject>Biodiversity</subject><subject>Taxonomy</subject><subject>Animalia</subject><subject>Arthropoda</subject><subject>Arachnida</subject><subject>Araneae</subject><subject>Sicariidae</subject><subject>Loxosceles</subject><subject>Loxosceles surca</subject><title>Loxosceles surca Gertsch 1967</title><type>Other:info:eu-repo/semantics/other</type><type>Other:publication-taxonomictreatment</type><recordID>6010750</recordID></dc>
format	Other:info:eu-repo/semantics/other Other Other:publication-taxonomictreatment Journal:Journal Journal
author	Brescovit, Antonio D. Taucare-Ríos, Andrés Magalhaes, Ivan L. F. Santos, Adalberto J.
title	Loxosceles surca Gertsch 1967
publishDate	2017
topic	Biodiversity Taxonomy Animalia Arthropoda Arachnida Araneae Sicariidae Loxosceles Loxosceles surca
url	https://zenodo.org/record/6010750
contents	Loxosceles surca Gertsch, 1967 Figs 1B–D, 8A, 9B, 10 Loxosceles surca Gertsch, 1967: 157, pl. 8, figs 4, 6, 12 (female holotype from Peru, Lima, Surco, Rimac Valley, 11.8849 S, 76.4411 W, 2000 m a.s.l., 9 Oct. 1963, A. Herrer and P. Wygodzinsky leg., deposited in AMNH, not examined). — Taucare-Ríos 2011: 45, figs 1, 3. — World Spider Catalog 2017. Note Males and females were collected next to each other in at least three different localities. Diagnosis Loxosceles surca could be confused in Chile only with the sympatric L. laeta. It is distinguished from L. laeta by the anterior border of the carapace very hirsute, the male palp with tibia narrowed medially, with a dorsal concavity, and five times longer than the cymbium (Fig. 1B–C). The female internal genitalia are very similar to those of L. laeta, but can be distinguished by the almost absent transverse enlargement at the base of the tubular receptacles (Fig. 8A). Material examined CHILE. I Región de Tarapacá: Tamarugal, 1 &female;, 10 imms, Huara, Chusmiza, 19.68333 S, 69.18333 W, 3–250 m a.s.l., 10 Nov. 1992, L.E. Peña leg. (AMNH). – XV Región de Arica y Parinacota: Arica, 3 &female;&female;, Arica, San Miguel de Azapa, 18.53533 S, 70.14983 W, 342 m a.s.l., 12 Jul. 2012, A.D. Brescovit, A.J. Santos and A. Taucare-Ríos leg. (IBSP 167059); 1 &female;, Playa Corazones, next to the Cuevas de Anzotas, 18.5482 S, 70.3307 W, 23 m a.s.l., 12 Jul. 2012, A.D. Brescovit, A.J. Santos and A. Taucare-Ríos leg. (IBSP 167061); Parinacota, 1 &male;, 3 &female;&female;, Putre, Chapiquiña, 18.39472 S, 69.53694 W, 12 Nov. 1983 (AMNH); 2 &female;&female;, 2 km S of Zapahuira, 18.33333 S, 69.56667 W, 3400 m a.s.l., 3 Feb. 1994, N.I. Platnick et al. leg. (AMNH); 1 &male;, 1 imm., 24 km S of Zapahuira, 18.41667 S, 69.51667 W, 3640 m a.s.l., 3 Feb. 1997, N.I. Platnick et al. leg. (AMNH); 1 &male;, 1 imm., ditto, 3 Feb. 1998 (AMNH); 1 &female;, 6 km S of Zapahuira, 18.35 S, 69.56667 W, 3420 m a.s.l., 3 Feb. 1996, N.I. Platnick et al. leg. (AMNH); 1 &female;, 9 km S of Zapahuira, 18.35 S, 69.53333 W, 3620 m a.s.l., 5 Feb. 1994, N.I. Platnick et al. leg. (AMNH). Description Male (Zapahuira, Putre, Parinacota, Chile, AMNH) Carapace yellowish, with the darker, violin-shaped median band typical of Loxosceles (Taucare-Ríos 2011: fig. 3). Endites and labium yellow. Sternum yellowish. Legs yellow with tibia, metatarsus and tarsus brown. Palp red brown, with distal articles reddish brown. Opisthosoma grey, with inconspicuous cardiac area. Total length 9.8. Caparace 3.8 long, 4.4 wide. Clypeus 0.55 high, with border hirsute. Eye diameters: ALE 0.2, PME 0.24, PLE 0.22. Sternum 2.3 long, 1.9 wide. Leg I: femur 6.0, patella 1.5, tibia 6.5, metatarsus 6.9, tarsus 2.2, total 23.1. II: 6.8, 1.6, 7.1, 7.7, 2.0, 25.2. III: 6.2, 1.6, 5.6, 6.8, 1.7, 21.9. IV: 6.9, 1.6, 7.0, 8.2, 2.0, 25.7. Tibiae sinuous, with ventral erect setae (Fig. 9B). Leg formula 4213. Palpal femur 5.2 long, 0.5 wide. Palpal tibia 2.8 long, 0.6 wide. Palp with cymbium as long the tegular base, and a long, slender and curved embolus (Fig. 1C). Female Described by Gertsch (1967). Clypeus as in male. Palp tarsus 1.5 long, narrow. Spermathecae with tubular receptacle straight, with sclerotized base (Fig. 8A). Variation Male (n = 3): Total length 8.0–10.0, carapace 4.1–4.4 long, femur I 5.6–6.8 long. Palpal tibia 2.8–3.0 long, 0.5–0.6 wide. Female (n = 8): total length 10.0–12.4, carapace 4.8–5.4 long, femur I 5.2–5.6 long. Palpal tarsus 1.4–1.6 long. Distribution Known only from northern Chile, in Tarapacá and Arica y Parinacota Regions (Fig. 10) and from Peru: Santiago de Surco and Chosica (Gertsch 1967). 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 7-8, DOI: 10.5852/ejt.2017.388, http://zenodo.org/record/1133570
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Loxosceles surca Gertsch 1967

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