A Synopsis of the Odonata (Dragonflies) of Sumatra Author Lieftinck, M. A. text Miscellanea Zoologica Sumatrana 1935 1 1 23 journal article 10.5281/zenodo.3251875 0e6ccf7f-8e43-40c1-99a4-616658ec790b 3251875 148. Idionyx montana Karsch . - Westcoast Res.: Loeboeksikaping. 1 ♀ ( Ris ); 1 ♂. Korintji ( Ris ). Benkoelen Res. : Lake Ranau . Bandingagoeng . 1 ♂ . 1 ♀ . Oct. 27-28. 1929 . van Steenis leg . S. Lampoeng Res.: Mt. Tanggamoes. Gisting . 500 m . Waiteboe . 1 ♀ . Dec. 24. 1934 . Mrs. Lieftinck leg .