Title
Systematics of Cauquenia (Araneae:Zoropsidae), with comments on the patterns of evolution of cribellum and male tibial crack on Lycosoidea
Date Issued
11 November 2013
Access level
open access
Resource Type
journal article
Author(s)
Publisher(s)
Museo de Historia Natural,
Abstract
A new genus of the spider family Zoropsidae, Cauquenia, gen. nov., is proposed for Cauquenia maule, sp. nov., from the Maule region in central Chile. The familial placement is tested through the inclusion of Cauquenia in the latest major published morphological analyses of the superfamily Lycosoidea, and the subfamily placement of the South American zoropsid genus Itatiaya Mello-Leitão is also tested including them in the Raven and Stumkat (2005) analysis. Cauquenia and Itatiaya are closely related to the African genera Griswoldia Dippenaar-Schoeman & Jocqué and Phanotea Simon, with which it shares a cup-shaped median apophysis on the male pedipalp and tooth-like projections on the lateral lobes of the epigyne in females. The patterns of evolution of the cribellum and the male tibial crack in Lycosoidea are explored; the cribellum shows up as primitively present, with three losses and four independent acquisitions, and the male tibial crack is lost twice. An asymmetric cost in cribellum gain:loss of 6:1 produces a primitive cribellum with 12 losses. © 2013 CSIRO.
Start page
567
End page
577
Volume
27
Issue
5
Language
English
OCDE Knowledge area
Zoología, Ornitología, Entomología, ciencias biológicas del comportamiento
Subjects
DOI
Scopus EID
2-s2.0-84887030301
Source
Invertebrate Systematics
ISSN of the container
14455226
Sources of information:
Directorio de Producción Científica
Scopus