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Type: Articles
Published: 2011-09-30
Page range: 59–66
Abstract views: 39
PDF downloaded: 1

The spider genus Segestria Latreille, 1804 in South America (Araneae: Segestriidae)

Laboratório de Artrópodes Peçonhentos, Instituto Butantan. Avenida Vital Brasil 1500, 05503-900 São Paulo, São Paulo, Brazil
Laboratório de Artrópodes Peçonhentos, Instituto Butantan. Avenida Vital Brasil 1500, 05503-900 São Paulo, São Paulo, Brazil
Araneae taxonomy Haplogynae synonymy

Abstract

The genus Segestria Latreille, 1804 includes 21 species distributed mainly in the Palearctic region. Only two species have been described from South America: Segestria ruficeps Guérin, 1832 (known from Brazil, Uruguay and Argentina) and Segestria pusilla Nicolet, 1849 (known only from Chile). A study of the female genitalia shows that S. ruficeps is a junior synonym of the Paleartcic species Segestria florentina (Rossi 1790), which is redescribed and illustrated. S. pusilla is transferred to the genus Ariadna as a nomen dubium.

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