Mutatus gen. nov., a new genus of Phrurolithidae (Arachnida, Araneae) from China, with descriptions of four new species

<i>Mutatus</i> <b>gen. nov.</b> is described from southwest China, including four new species: <i>M.gelao</i> <b>sp. nov.</b> (♂♀, Guizhou Province), <i>M.tianyan</i> <b>sp. nov.</b> (♂♀, Hubei Province), <i>M.tujia</i> <b>sp. nov.</b> (♂♀, Hubei Province), and <i>M.yintiaoling</i> <b>sp. nov.</b> (♂, Chongqing Municipality). This new genus can be differentiated from other phrurolithid genera by the male palp which has a prolateral tegular apophysis and tegular sheet, and by a small protuberance on the female epigynal plate.