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 Neogerris assimilis Andersen, 1975 Material examined. – Temurun Waterfalls: 1 male (macropterous), HZL2 . Distribution. – Thailand , Singapore , Sumatra, Borneo ( Andersen, 1995 , Chen & Zettel, 1998). First record from West Malaysia .