Taxonomic Study On The Spiders Of The Family Liocranidae & Corinnidae (Arachnida: Araneae) From The Gaoligong Mountains

The present dissertation deals with the taxonomy of the spiders of the Family Liocranidae and Corinnidae (Arachnida:Araneae) from the Gaoligong Mountains. Four parts are included:Part Ⅰ deals with the introduction to the Family Liocranidae and Corinnidae, and their morphology and taxonomy. The introduction to the Gaoligong Mountains is also supplied.Part Ⅱ is a detailed study of 31 species belonging to 13 genera. Collection information of all species, etymology, detailed description, measurements, comparision to the related species of 24 new species are presented.Part Ⅲ includes conclusions and discussions. The paper reported 24 new species named as:Jacaena tengchongensis sp. nov. Paratus longlingensis sp. nov. Plynnon aduncatum sp. nov. Plynnon horizontale sp. nov. Sesieutes longyangensis sp. nov. Castianeira coena sp. nov. Castianeira strumifera sp. nov. Castianeira tengchongensis sp. nov. Castianeira yinae sp. nov. Medmassa spiralis sp. nov. Oedignatha hui sp. nov. Oedignatha sticta sp. nov. Oedignatha yunnanensis sp. nov. Orthobula mangkuanensis sp. nov. Orthobula propinqua sp. nov. Otacilia tubata sp. nov. Otacilia tubataoides sp. nov. Trachelas hippocrepicus sp. nov. Trachelas kavanaughi sp. nov. Trachelas longapophysis sp. nov. Trachelas ventriculosus sp. nov. Utivarachna arcuata sp. nov. Utivarachna fabaria sp. nov. Utivarachna gongshanensis sp. nov.Part Ⅳ contains 33 plates of the color photos,32 plates detailed inked morphological figures respectively.