First Inventory Of The Water Bugs (Heteroptera: Nepomorpha: Gerromorpha) Of Langkawi Island, Kedah, Malaysia Author Zettel, Herbert Author Tran, A. D. text Raffles Bulletin of Zoology 2009 2009-08-31 57 2 279 295 journal article 10.5281/zenodo.5342032 2345-7600 5342032 Halovelia malaya Esaki, 1930 Material examined. – (all apterous): Pantai Datai: 1 male , 2 females , KV5. Pebble beach near Sungei Lengara: 2 males , 2 females , HZL3 a; 3 males , 2 females , TAD0615 . Jalan Tanjung Rhu, rocky shore: 9 males , 5 females , HZL7 b; 3 males , 5 females , TAD0620 . Distribution. – West coast of the Malay Peninsula, with records from southern Thailand ( Phang Nga , Phuket ) and West Malaysia ( Negeri Sembilan , Pulau Angsa) ( Andersen, 1989 ). One male from Vietnam was preliminarily identified as this species (Zettel & Tran, 2006).