Abstract
The fourth species of the Asian genus Cladolasma, C. ailaoshan sp. n. is described from specimens collected in Yunnan Province, China. The new species is distinct from C. parvulum Suzuki, 1963 and C. angka (Schwendinger & Gruber, 1992) in lacking enlarged, dorsally-directed tubercles on the abdominal scutum; and from C. damingshan Zhang & Zhang, 2013 in having keels around the eyes and in the position of the eyes. Differences in male genital structures between the Chinese species are small, while there are more differences with the Japanese species.
Highlights
The genus Cladolasma Suzuki, 1963 was reinstated by Shear (2010), and is represented by three species restricted to Asia: China (C. damingshan Zhang & Zhang, 2013), Japan (C. parvulum Suzuki, 1963), and Thailand (C. angka Schwendinger & Gruber, 1992)
Intensive collections were made at Ailaoshan National Natural Reserve in August 2011 by the personnel of the Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences
Specimens were extracted using Berlese funnels by Akihiro Nakamura at Ailaoshan, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, China, preserved in 75% ethanol, examined, and drawn under a Leica M205a stereomicroscope equipped with a drawing tube
Summary
The genus Cladolasma Suzuki, 1963 was reinstated by Shear (2010), and is represented by three species restricted to Asia: China (C. damingshan Zhang & Zhang, 2013), Japan (C. parvulum Suzuki, 1963), and Thailand (C. angka Schwendinger & Gruber, 1992). Glans with 10 small spines and two large lateral spines: six small ones arranged around base of Cladolasma ailaoshan, a new species of the genus Cladolasma Suzuki, 1963 from China... Stylus; two small ones situated on dorsal and ventral side separately (Figs 15–18).
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