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 12. Dysphaea dimidiata Selys (= limbata Selys ). - Eastcoast Gvt.: Deli Soekaranda ( Kruger ) and Soengei Radja. van der Meer Mohr leg.; Bengkalis. Kampar Kanan. Fulmek leg. Westcoast Res.: Silago ( Albarda ). Djambi Res.: Djambi Exped. 1925 O Posthumus Ieg. Palembang Res.: Moesi River. Moearaklingi ( Schmidt ). BenkoelenRes.: Lake Ranau distr. ( Schmidt ). S. Lampoeng Res .: Gisting. Waiteboe . 500 m . slope of Mt. Tanggamoes . Dec. 29. 1934.2 ♂ ♂ , Author leg . - Since a fair number of specimens in my collection are exactly intermediate between D. dimidiata and D . limbata . the latter cannot stand as a separate species. Even in one locality this species varies so much. that all colour-differences appear to ly within the range of individual fluctuation.