Corresponding author: Feng Zhang (
Academic editor: Jan Bosselaers
The genus
The genus
O. Pickard-Cambridge described
While examining corinnid specimens collected from Yunnan Province, China in recent years, we found a new species,
All measurements are given in millimetres (mm). Leg measurements are shown as total length (femur, patella, tibia, metatarsus, tarsus). The total length provided here is an estimate, based on the sum of the carapace and abdomen, excluding the pedicel (
The abbreviations used in the text are as follows: Eyes: ALE = anterior lateral eye; AME = anterior median eye; MOA = median ocular area; PLE = posterior lateral eye; PME = posterior median eye.
carapace sub-pentagonal, widest at coxae II and III; posterior of carapace narrowed, forming trapezoidal extension over pedice;
legs slender, with spines; legs formula 4, 2, 1, 3;
abdomen oval or round, with large dorsal scutum, laterally constricted, posteriorly gradually widened; anteriorly without strong erect spines;
male palp with baso-retrolateral semi-circular cymbial notch.
Male (Holotype) (Fig.
Carapace black, sub-pentagonal, sclerotised, widest at coxae II and III, surface with white, sparse plumose hair; ocular region with white setae; posterior of carapace narrowed, forming trapezoidal extension over pedicel (Fig.
Palp (Fig.
Female (Fig.
As in male, except abdomen nearly round, with two white spots and dorsal scutum large, bluish-violet, extending five-sixths the length of dorsum.
Epigyne (Fig.
The specific name is an adjective referring to the macule on the abdomen. Latin
China (Yunnan Province) (Fig.
Male (Fig.
Carapace black, sub-pentagonal; carapace narrowed posteriorly, forming bicuspid; pedicel elongated (Fig.
Palp (Fig.
Malaysia (Borneo), China (Yunnan Province) (Fig.
Male (Fig.
Carapace black, sub-pentagonal, surface with numerous plumose hairs, forming radiating striae, widest at coxae II and III; carapace narrowed posteriorly, forming the stalk-like posterior projection on the carapace. Leg orange-red, retrolateral femora Ⅰ-Ⅱ and femora Ⅲ-Ⅳ black. Abdomen black, oval, with medial constriction dorsally; surface with short plumose hairs and a tuft of long white hair posteriorly. Dorsal scutum large, nearly covered abdomen (Fig.
Palp (Fig.
Female (Figs
As in male, except abdomen, nearly round and leg orange-red, femora Ⅲ-Ⅳ black (Fig.
Epigyne characteristics as follow (Fig.
Thailand, Malaysia (Borneo), China (Yunnan Province) (Fig.
Comparing the emboli of the three species, we found that some features are different (Fig.
The specimens were collected from Wild Elephant Valley, which is a tropical rainforest with little human damage. Three species were found near the tree canopy 2–5 metres above the ground. Meanwhile, we found that
Thanks to Kun Yu, Mengjiao Xu and Weihang Wang for collecting valuable specimens. We are grateful to Weihang Wang, who provided living photos of
Living habitus of
Living habitus of
Emboli of three
Distribution map of the genus
View of the collection sites of