Published October 12, 2026 | Version v1

Euagrus josephus Chamberlin 1924

  • 1. Collection of Arachnology (CARCIB), CIBNOR, S. C. Programa Académico de Planeación Ambiental y Conservación (PLAYCO), Centro de Investigaciones Biológicas del Noroeste (CIBNOR). Km. 1 Carretera a San Juan de La Costa " El Comitán ", La Paz, Baja California Sur, Mexico, C. P. 23205
  • 2. Maestría en Ciencias: Uso, manejo y preservación de los Recursos Naturales, Programa de Posgrado, Centro de Investigaciones Biológicas del Noroeste (CIBNOR). Km. 1 Carretera a San Juan de La Costa " El Comitán ", La Paz, Baja California Sur, Mexico, C. P. 23205

Description

Euagrus josephus Chamberlin, 1924 (description male and female)

(Figs 39, 40)

Euagrus josephus Chamberlin, 1924b: 577, f. 2–3 (Description male)

Euagrus empiricus Chamberlin, 1924b: 576 (Description female)

Euagrus scepticus Chamberlin, 1924b: 578 (Description female)

Euagrus josephus Coyle, 1988: 227, f. 51–64 (male and female, synonym of Euagrus empiricus and E. scepticus).

Type data. From Chamberlin (1924): MEXICO: Baja California Sur: 1♂ holotype, 1 juv. (MCZ) from Tortuga Island, Gulf of California, 11-May-1921, R.V. Chamberlin Col. 1♂ paratype (MCZ) from Ballena Island, near Isla Espiritu Santo, 9-June-1921, J. Chamberlin Col.

Other records. For complete records see Coyle (1988).

Natural History: Coyle (1988: 232) mentioned that the species is distributed in a wide range of elevation from sea level to 1,800 m a.s.l. The habitat includes very arid regions of the Peninsula (Figs 52–57), under big stones (per. obs.) but also in temperate forest of the Sierra Laguna Mountains (Fig. 40).

Diagnosis and Description. See Coyle (1988: 227–228) for complete diagnosis and description of the species.

Distribution. MEXICO: Baja California and Baja California Sur (Fig. 60).

Notes

Published as part of Valdez-Mondragón, Alejandro & López-Ramírez, Iván, 2026, Mygalomorph spiders from the Baja California Peninsula with the description of a new species of the trapdoor genus Eucteniza Ausserer (Araneae, Mygalomorphae, Euctenizidae) of Baja California Sur, Mexico, pp. 347-376 in Zootaxa 5889 (3) on page 359, DOI: 10.11646/zootaxa.5889.3.3, http://zenodo.org/record/23906020

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Linked records

Additional details

Biodiversity

Collection code
MCZ
Event date
1921-05-11
Verbatim event date
1921-05-11/06-09
Scientific name authorship
Chamberlin
Kingdom
Animalia
Phylum
Arthropoda
Order
Araneae
Family
Euagridae
Genus
Euagrus
Species
josephus
Taxon rank
species
Type status
holotype
Taxonomic concept label
Euagrus josephus Chamberlin, 1924 sec. Valdez-Mondragón & López-Ramírez, 2026

References

  • Coyle, F. A. (1988) A revision of the American funnel-web mygalomorph spider genus Euagrus (Araneae, Dipluridae). Bulletin of the American Museum of Natural History, 187, 203-292.