Dineutus australis (Fabricius, 1775) Gyrinus australis Fabricius, 1775: 235. Gyrinus rufipes Fabricius, 1801: 276. Gyrinus dentipennis Macleay, 1825: 30. Gyrinus limbatus Macleay, 1825: 30. Gyrinus iridis Hope, 1842: 48. Dineutus dentatus Suffrian, 1842: 256. Dineutes janthinus Blanchard, 1843: pl. 4. Dineutus leucopoda Montrouzier, 1860: 245. Material examined CHINA – Hainan • 2 ♀♀; 广东海南 [Guangdong Hainan]; 5 Jun. 1957; 赵养昌采 [Zhao Yangchang leg.]; SYSU • 2 ♀♀; 海南岛尖峰岭 [Hainan Is., Jianfengling Mt.]; 19 Dec. 1963; 彭统序采 [Peng Tongxu leg.]; SYSU • 2 ex.; 广东海南三亚 [Guangdong, Hainan, Sanya]; alt. 10 m; 5 Apr. 1960; 采集 者: 李学忠 [Li Xuezhong leg.]; IZCAS. – Jiangxi • 1 ♂; 江西南昌 [Jiangxi, Nanchang]; Jul. 1963; 马 恩沛采 [Ma Enpei leg.]; SYSU. Distribution Distributed in the Oriental and Australian Regions, known from Fujian, Guangdong, Guangxi, Hong Kong, Taiwan in China. New for Hainan and Jiangxi.

Published as part of Liang, Zulong, Angus, Robert B. & Jia, Fenglong, 2021, Three new species of Patrus Aubé with additional records of Gyrinidae from China (Coleoptera, Gyrinidae), pp. 1-39 in European Journal of Taxonomy 767 on page 14, DOI: 10.5852/ejt.2021.767.1481, http://zenodo.org/record/5715526