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 Halobates (sensu stricto) esakii Miyamoto, 1967 Material examined. – (all apterous): Pantai Rhu: 1 male , 2 females , KV4. Pantai Datai: 1 female , KV5. Distribution. – From the Malay Peninsula (west coast) to the Philippines and Halmahera in Indonesia (Andersen & Cheng, 2004, Zettel, 2005 ).