Six new cave-dwelling species of Leptoneta (Arachnida, Araneae, Leptonetidae) from Beijing and adjacent regions, China Author Tong, Yanfeng Author Li, Shuqiang Institute of Zoology, Chinese Academy of Sciences, Beijing 100101 (China) lisq @ ioz. ac. cn lisq@ioz.ac.cn text Zoosystema 2008 30 2 371 386 journal article 10.5281/zenodo.5392616 1638-9387 5392616 Genus Leptoneta Simon, 1872 Leptoneta Simon, 1872: 479 . TYPE SPECIES . — Leptoneta convexa Simon, 1872 . DIAGNOSIS. — Small sized species (body length 1.0- 3.0 mm). Carapace usually with indistinct median groove. Six eyes with the PME separated from the strongly recurved ALE and PLE; rarely with eyes continuous, or degenerate to four, two or even none. Chelicerae with teeth on both promargin and retromargin. Legs slender, Leg formula usually I-IV-II-III. Male palp usually with strong spines on ventral surface of femur, and/or with strong spines or apophysis on tibia; bulb simple. Female with a pair of spermathecae; atrium oval to triangular in shape. DISTRIBUTION. — Algeria , East Asia ( China , Korea ), North America ( Mexico , USA ), Western Europe ( France , Italy , Portugal , Spain ).