Corresponding author: Feng Zhang (
Academic editor: L. Deharveng
Two new blind species of
Xu H, Zhang F (2016) New blind species and new records of
The genus
Specimens were cleared in Nesbitt’s fluid, mounted under a coverslip in Marc André II solution, and studied using a Nikon E80i microscope. The labial chaetae terminology follows Gisin’s system ( Nanjing Agricultural University
thoracic segment
abdominal segment
antennal segment
macrochaeta/ae
microchaeta/ae
S-microchaeta/ae
ordinary tergal S-chaeta/ae
Holotype: ♀ on slide, China, Jiangsu Province, Nanjing, Purple Mountain, Tomb of Liao Zhongkai and his wife He Xiangning,
Named after the unique 5+5 central
No eyes. Two internal
Body length up to 1.17 mm. Body pale in alcohol.
Antenna 1.69–1.80 times as long as cephalic diagonal. Antennal segments ratio as I : II : III : IV = 1 : 2.00–2.17 : 1. 82–1.90 : 3.12–3.18. Smooth spiny
Eyes absent. Prelabral and labral chaetae 4/ 5, 5, 4, all smooth; the three median chaetae of the row a longer than lateral ones (Fig.
Trochanteral organ with 9–13 smooth spiny chaetae; 7–9 in arms and 2–4 between them (Fig.
Tergal chaetotaxy in
In decomposing leaves along the roads.
Holotype: ♂ on slide, China, Jiangsu Province, Nanjing, Qixia Mountain,
Named after the type locality.
No eyes. Two internal
Body length up to 2.01 mm. Body pale in alcohol.
Antenna 2.41–2.68 times as long as cephalic diagonal. Antennal segments ratio as I : II : III : IV = 1 : 1.66–1.96 : 1. 59–1.83 : 2.44–3.00. Smooth spiny
Eyes absent. Prelabral and labral chaetae 4/ 5, 5, 4, all smooth; median three chaetae of the row a longer than lateral ones; labral intrusion not U-shaped (Fig.
Trochanteral organ with approximately 24 smooth spiny chaetae; 13–15 in arms and 9–11 between them (Fig.
In decomposing leaves along the roads.
♀ on slide and 4 in alcohol, China, Jiangsu Province, Nanjing, Lao Mountain, Long Cave,
Known only from caves.
China (Jiangxi, Jiangsu).
♀ on slide and 5 in alcohol, China, Jiangsu Province, Nanjing, Lao Mountain, Longxing temple,
Under stones.
China (Anhui, Jiangsu, Shaanxi).
Thanks are given to Dr. Daoyuan YU and Chunyan QIN, who helped to collect animals. The present study was supported by the National Natural Sciences Foundation of China (41501056).