First description of the male of Cyclocosmiaricketti (Araneae, Halonoproctidae) from China.

Ye-Jie Lin,Linrui Yu,Shuqiang Li,Xunyou Yan

doi:10.3897/bdj.10.e79205

Abstract

BackgroundThe genus Cyclocosmia Ausserer, 1871 of the spider family Halonoproctidae Pocock, 1901 includes ten known species from North America and Asia. Since Cyclocosmiaricketti was described by Pocock in 1901, no males of this species have ever been reported.New informationThe male of Cyclocosmiaricketti is described for the first time, based on a specimen collected near the type locality in Fujian Province, China. A morphological description and illustrations are given.

Highlights

The genus Cyclocosmia Ausserer, 1871 of the spider family Halonoproctidae Pocock, 1901 includes ten known species from North America (3) and Asia (7), six of them being found in China: C. lannaensis Schwendinger, 2005 (♂♀, China, Thailand), C. latusicosta Zhu et al, 2006 (♂♀, China, Vietnam), C. liui Xu et al, 2017 (♀, China), C. ricketti (Pocock, 1901) (♀, China), C. sublatusicosta Yu & Zhang, 2018 (♂, China) and C. subricketti Yu & Zhang, 2018 (♂♀, China) (World Spider Catalog 2021; Li 2020)
Cyclocosmia ricketti was initially reported as Halonoproctus ricketti, based on one female specimen from Kuatun, north-western Fokien in China, known as Guadun (27.7359°N, 117.6408°E) in Fujian Province
A Cyclocosmia male was collected 130 km away from the type locality, which we believe to be conspecific and which we describe here (Fig. 6)

Summary

Introduction

The genus Cyclocosmia Ausserer, 1871 of the spider family Halonoproctidae Pocock, 1901 includes ten known species from North America (3) and Asia (7), six of them being found in China: C. lannaensis Schwendinger, 2005 (♂♀, China, Thailand), C. latusicosta Zhu et al, 2006 (♂♀, China, Vietnam), C. liui Xu et al, 2017 (♀, China), C. ricketti (Pocock, 1901) (♀, China), C. sublatusicosta Yu & Zhang, 2018 (♂, China) and C. subricketti Yu & Zhang, 2018 (♂♀, China) (World Spider Catalog 2021; Li 2020).Cyclocosmia ricketti was initially reported as Halonoproctus ricketti, based on one female specimen from Kuatun, north-western Fokien in China, known as Guadun (27.7359°N, 117.6408°E) in Fujian Province. Cyclocosmia ricketti, male from Mangdang Mountain: A habitus, dorsal view; B eye group; C labium and sternum, ventral view; D abdomen, posterior view; E spinnerets, ventral view.

Results

Conclusion