On four species of Irura Peckham & Peckham, 1901 (Araneae: Salticidae) collected by John and Frances Murphy from south-east Asia

Four Irura species, including one new to science, are diagnosed and illustrated: I. bidenticulata Guo, Zhang & Zhu, 2011 (♂♀) from south-east China, I. johnmurphyi sp. n. (♂♀) from Malaysia, I. longiochelicera (Peng & Yin, 1991) (♀) from China and Malaysia, and I. onoi (Prószyński & Deeleman-Reinhold, 2013) from Indonesia and Malaysia. A new combination is proposed: Irura onoi (Prószyński & Deeleman-Reinhold, 2013), ex Stertinius, comb. n. A brief discussion of the relationships between the genera Irura Peckham & Peckham, 1901 and Stertinius Simon, 1890 is also provided.