Reference

Anh Duc Tran, Chang Man Yang, Xuan Quynh Nguyen, Herbert Zettel (2009): Faunistical notes on the water measurer Hydrometra Latreille, 1796 (Insecta: Heteroptera: Hydrometridae) from Vietnam and Hainan Island. – Annalen des Naturhistorischen Museums in Wien – 111B: 19 - 29.