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 Asclepios annadalei Distant, 1915 Material examined. – (all apterous): Pantai Rhu: 7 males , 5 females , KV4. Jalan Tanjung Rhu, mangroves: 5 males , 3 females , HZL6 . Distribution. – From India to the Malay Peninsula ( Chen et al., 2005 ).