TL;DR: The book provides a modern revision of all sac and ground spiders with clear illustrated diagnosis and descriptions of all known members of this group and many new species and genera.
Abstract: Forest Spiders of South East Asia offers the first comprehensive systematic account of all sac and ground spiders of South East Asia, which together constitute an estimated 12% of all spiders in the region. All ten subfamilies, 57 genera and numerous species of the region are defined, described, and illustrated. One new subfamily and a large number of new genera and species are described and named. Several hundreds additional, described and new, species are referred to. Distribution of all species covered in this volume is shown in 50 maps. More than a thousand line drawings and 16 colour photographs are used to illustrate the descriptions of the species, of which the great majority has never been illustrated before. The book provides a modern revision of all sac and ground spiders with clear illustrated diagnosis and descriptions of all known members of this group and many new species and genera. Identification of all 47 families occurring in the region is illustrated in beautiful and detailed drawings.
TL;DR: A total of 58 spider species is reported from material mainly collected on three recent expeditions to Laos, five species are described as new, and the males of Caerostris sumatrana Strand, 1915 and Eurychoera quadrimaculata Thorell, 1897 are described for the first time.
Abstract: A total of 58 spider species is reported from material mainly collected on three recent expeditions to Laos. Out of these, five species are described as new: Psechridae — Psechrus khammouan sp. nov. (male, female), Psechrus luangprabang spec. nov. (male, female), Liocranidae — Sesieutes thakek spec. nov. (male), Zodariidae — Storenomorpha anne spec. nov. (male, female), Sparassidae — Pseudopoda houaphan spec. nov. (female). The males of Caerostris sumatrana Strand, 1915 (Laos; first record for Asia) and Eurychoera quadrimaculata Thorell, 1897 (Singapore) are described for the first time. Copulatory organs of the latter species are illustrated for both sexes to facilitate identification of Eurychoera banna Zhang, Zhu & Song, 2004. New records of species formerly known from Laos are listed: Heteropoda dagmarae Jager & Vedel, 2005, H. maxima Jager, 2001, H. tetrica Thorell, 1897, H. venatoria (Linnaeus, 1767), Rhitymna verruca (Wang, 1991), R. plana Jager, 2003.
TL;DR: Three new species of spiders of the family Liocranidae, viz.
Abstract: Three new species of spiders of the family Liocranidae, viz. Jacaenatengchongensis sp. nov., Paratus longlingensis sp. nov. and Sesieuteslongyangensis sp. nov. are described from the Gaoligong Mountains, Yunnan Province, China. The type material is deposited in the College of Life Sciences, Hunan Normal University, China.
TL;DR: A cladistic analysis attributes the genus Cteniogaster to Liocranidae, Cybaeodinae, and Toxoniella Warui & Jocque, 2002 is transferred from Gallieniellidae to Liocraticaeodinee, while Jacaena Thorell, 1897, Plynnon Deeleman-Reinhold, 2001 and Teutamus ThoreLL, 1890 are transferred to Corinnidae, Phrurolithinae
Abstract: Cteniogaster , a new genus of small ground spiders is described from Kenya and Tanzania. It encompasses seven new species, three of which are known from both sexes: C. toxarchus sp. nov., the type species, C. conviva sp. nov. and C. hexomma sp. nov. Three species are known from females only: C. lampropus sp. nov., C. sangarawe sp. nov. and C. taxorchis sp. nov. and one only from males: C. nana sp. nov. The new genus can be recognised by the presence of a posterior ventral abdominal field of strong setae and anterior lateral spinnerets with enlarged piriform gland spigots in males. A cladistic analysis attributes the genus to Liocranidae, Cybaeodinae. The results of the analysis performed do not produce an unequivocal autapomorphy for Liocranidae, but provide a combination of non-homoplasious character changes that offers significant potential for recognising genera as Liocranidae. Moreover, robust apomorphies are determined within Liocranidae for the subfamilies Liocraninae and Cybaeodinae. Based on these findings Toxoniella Warui & Jocque, 2002 is transferred from Gallieniellidae to Liocranidae, Cybaeodinae. Jacaena Thorell, 1897, Plynnon Deeleman-Reinhold, 2001 and Teutamus Thorell, 1890 are transferred to Corinnidae, Phrurolithinae and Montebello Hogg, 1914 to Gnaphosidae. Itatsina Kishida, 1930 is synonymised with Prochora Simon, 1886.
TL;DR: The spider genus Jacaena Thorell, 1897 is revised on the basis of both somatic and genitalic morphology and its presumable monophyly is supported by a combined presence of characters.
Abstract: The spider genus Jacaena Thorell, 1897 is revised on the basis of both somatic and genitalic morphology. Its presumable monophyly is supported by a combined presence of characters. Four new species are described from Thailand: Jacaena lunulata sp. nov., Jacaena punctata sp. nov., Jacaena angoonae sp. nov. and Jacaena peculiaris sp. nov. Four species from Thailand, Laos and China were misplaced in Sesieutes and are here transferred to Jacaena: Jacaena erawan (Deeleman-Reinhold, 2001) comb. nov., Jacaena schwendingeri (Deeleman-Reinhold, 2001) comb. nov., Jacaena thakek (Jager, 2007) comb. nov. and Jacaena zhui (Zhang and Fu, 2011) comb. nov. New specimens of Jacaena mihun and Jacaena erawan comb. nov. have become available from additional localities other than the type localities. Some specimens originally placed in Sesieutes erawan and Sesieutes schwendingeri belong to J. lunulata sp. nov. and are misplaced and here designated as paratypes of the latter species. The genus currently comprises 10 species oc...