Of Sumatra. by M
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,IANlR,\ M"R1'TNS COSTA L>ep. de rnt9mologia Museu National prof.' Titular MISCELLANEA ZOOLOGICA SUMATRANA XClI -XCIII A Synopsis of the Odonata (Dragonflies) of Sumatra. By M . A. L1EFTINCK. (Zoological Museum. Buitenzorg). During my work on the Odonate fauna of Java ( .. An annotated list of the Odonata of Java • . .. &c" . Treubia 14. 1934). and in determining several thousands of specimens from other islands of the oriental region. I have taken the opportunity to compare the Javan fauna witlr that of Sumatra. and the result has been a fresh list of the Odonata known to occur in that island. whi~ I hope will prove useful for further research. I. A I bar d a. H .. in Veth's Midden Sumatra. Nat. Hist. Afd. 5. Neuro ~ ptera, 1881. 2. C a m p ion. H. Odonata, collected in Korinclii. West Sumatra. J. Fed. Mal. States Mus .. 8. 1925. 3. K a r S C h, F. Sumatranische Odonaten. gesammelt... in Bindjei, Deli. Ent. Nachr .. 17. 1891. 4. K r ii g e r. L. Die Odonaten von Sumatra. I ~ III. Stett. ent. Zeitg. '59-63. 1898-1902 . 5. Lie f tin c k. M. A. Dragonflies (Odonata) from Northeast Sumatra. Misc. Zool. Sum. 34. 1929. 6. R i s. F . Odonaten von Sumatra, gesammelt von Edward Jacobson. Zoo!. Meded. Leiden. 10. 1927. 7. S c h mid t, E. Odonatader Deutschen Iimnologischen Sunda-Expedition. Arch. Hydrobiol. Suppl. 13, Bd. 5. 1934. 8. Se I y s L 0 n g c h a m p s. E . d e. Odonates de Sumatra, etc. Ann. Mus. civ. Genova, 27, 1889. As is well shown by the distributional lists given for each species in some of the above: quoted papers, very little was known about the distribution of the species inhabiting this big and important province of Malaysia. Therefore. I have not only assembled and put on record all residencies, localities and names of captors, relating to little known species, but also the known localities mentioned in the literature. However. in order not to expand this paper to unreasonable length. all previously published records are only briefly quoted, and the names of authors who mentioned the precise localities of these species have been placed between brackets. SCANNED BY ÂNGELO P. PINTO II.2012 -2- During the past five years several new species have been taken in Sumatra and many new localities have come to our knowledge. The reader will find some of these - £specially those ·of species captured by Messrs 0 res c her and To x 0 pe u s in S. Sumatra - incorporated already in the Javan list, but many other records have so far remained unpublished. It was my good fortune to spend ten days in the residency of the "Lampoengsche districten", S. Sumatra, in December 1934, and I was able, with the help of my wife and Dr. T 0 x 0 p e u s, to collect about 85 species, including several of great interest. The Odonate fauna of the chain of islands, situated to the west of Sumatra, has been left out of consideration, and for several reasons I have thought it best .not to include the fauna of the islands of Banka and Billiton; these islands are inhabited by a number of species· occuring also in W. Borneo, which are absent from Sumatra; and the species common to Banka and Borneo for instance, suggest that a close connection formerly existed between them. I have included the fauna of Doerian I. (Riouw Archipelago), where Dr. K. W. 0 a m mer m a n for many years collected a few species of interest. In the prese;"t list my vJews are stated somewhat dogmatically, but. alihough I was obliged to give only a Synopsis of the Sumatran fauna, the reader will soon notice, that I have arguments to support my statements. Recently, S c h mid t has published a catalogue, compiled from the literature, of all sp'ecies known· to him ·to occur in Sumatra and Java. This list included Iql Sumatran spe<;ies (not counting subspecies), of which 6, viz. Rh. heterostigma io (= Rh. selysi Kriig.). Caconeura notostigma Selys, Stenobasis osc.i/lans (= Arci;ibasis oscillans Sel.). Procord .. ;!a sumbawana Forst., Tetracanthagyna degorsi Martin, and Anax fu ;"osus Ris (= A. gibbo sulus subsp') are, in the writer's opinion, injustly listed as Sumatran species; the total number of known species is thus brought to 155. The present list contains the names of 180 species, or, if Ictinus decoratus and I. melaenops, and Macrogomphus parallelogramma and M. albardae are traced as distinct spE;cies (as most writers do) , the total numeer would amount to 182. Of the 75 species of Zygoptera only 31 occur also inlava, and of the 105 Anisoptera, only 67 have· found their way to that island. The number of species precinctive to Sumatra ·is less than in Java, only 22 (not counting subspecies), or about 12% being confined to the island, while in Java about 28, or 19 % of the total ( 142) are precinctive. In the follawing list the species confined to Sumatra are marked with **, and species not previously recorded are marked thus '. My sincere thanks are extended to Messrs. F. C. 0 res c her, Dr. L. F u I m e k, Dr. E d w. J a cob son, J. c. van de r Me e r Moh r, Dr. H. R. A. Muller, Dr. C . G. G. J. van Steenis, Dr. L. J. Toxopells, and many others for their kind help in collecting material in different parts of the island and in permitting me to deposit all specimens, including the types of new species, in the collection of the Buitenzorg Museum. My thanks are also due to Dr. E . Tit s c hac k, for the loan of specimens in the Hamburg Museum. -3- ZYGOPTERA Fam. C a lop t e r y 9 i d a e. I. Neurobasis chinensis chinensis (L.) - Common throughout the island. Specimens from the S. extremity of Sumatra are true to the type. "2. Echo uniformis Selys - Atjeh Gvt.: Takengon. 1200 m. van S tee n i s leg. Eastcoast Gvt.: Mt. Sibajak. Bandarbaroe. 800 m. Do c t e r s van Lee u wen leg.: Mt. Sinaboeng (K rUg er). Tapanoeli Res.: Rahoetbosi. van de r Me e r Moh r leg. West coast Res.: Padangsche Bovenlanden (R is): Korintji. Sioelak Daras (C arii p ion). Benkoelen Res.: Mt. Pesagi. 1400 m. van S tee 'n i s leg. Djambi Res.: Soengeiramboet (K rUg e r). Pa lembang Res.: Mt. Dempo. 1400 m (R is). Apparently a mountain species. 3. Vestalis amoena Selys. - Common throughout the island. 4. Vestalis luctuosa (Burm.) - So far only known from the S. Lam poeng Res.: Mt. Tanggamoes. 4-600 m. Talangpadang. Gisting. Wailima &c. where it is very common. K a r n y. To x 0 p e u s and Aut h 0 r leg. **5. Vestalis lugens Selysl) - Distributed all over the isla·nd. except in the S. Lampoeng Res .. where it is rare and. ii1 most localities. is replaced by luctuosa. Along the bank of the Wailalaan. and near Gisting. the two species were observed by me flying together (ult. Dec. 1934). ' . Fam. E li P h a e i d a e. * * 6. Euphaea aspasia Selys. - Northcoast .( S e I y s). Eastcoast Gvt.: Deli. Soekaranda & Lianggagas (K rUg er). Tapanoeli Res.: Sibolga (R is). Vlestcoast Res.: Padang (5 e I y s). Benkoelen Res.: Kasoei. Rantautemiang. Kedaton (Ranau distr.). Mull e r leg. S. Lampoeng Res.: Mt. Tanggamoes. Gisting. 4-600 m. rare. Aut h 0 r leg . • *7. Euphaea bocki McLachlan. - .. Mt. Paio" (M c Lac h I an). Eastcoast Gvt.: Mt. Sinaboeng (K rUg e r. S c h mid t): Deli. Sibolangit (Schmidt) and Medan (Lieftinck). Westcoast Res.: Ophir distr. Tanangtaloe. 1000 m (R is). 8. Euphaea impar impar Selys. - Eastcoast Gvt.: Deli. Soekaranda (KrUger). S. Lampoeng Res.: Waiteboe. slope of Mt. Tangga moes. 500 m. Dec. 24. 1934. 4 d' (fI. Aut h 0 r leg. - From a series of 11 (fI (fI of E. impar inaeq"ipar Selys. captured in W. Borneo. our Sumatran specimens differ only in that the black apical spot of the hind wings is a little more reduced in size. the inner border lying slightly beyond or at the middle of the distance between 'nodus and pterostigma, Hence. I cannot follow R i s in considering both races as distinct species. 1) First demibed by deS e I y' 1879 (A 1 b • , d. 1861). -4- * *9. Buphaea modiglianii Se1ys. - Westcoast Res.: Padang (R i s). *10. Buphaea ochracea ochracea Selys. - I have examined 3 (fI (fI and 1 !i1. collected somewhere in Sumatra by B. J a c h a n (Mus. Hamburg). 11. Buphaea variegata (Ramb.) (= intermedia Kriiger. Schmidt). - .. Mt. Paio" (M c Lac h I an). Bastcoast Gvt.: Deli. Sibolangit (Schmidt) and Soekaranda (Kriiger). Westcoast Res.: Mt. Ophir dis:r .. Airbangis & Kadjas; Padangsche Bovenlanden (R i s); Korintji (C a m p ion). Benkoelen Res.: Lake Ranau distr. (S c h mid t). S. Lampoeng Res.: Mt. Tanggamoes. Gisting. 4-600 m. very common. Aut h 0 r leg. - I arrested two (fI (fI in transfor mation (Waiteboe. Dec. 29. 1934). 12. Dysphaea dimidiata Selys (= limbata Selys) . - Eastcoast Gvt.: DelL Soekaranda (K r ii 9 er) and Soengei Radja. van d e r l\f e e r Moh r leg.; Bengkalis. Kampar Kanan. F u I m e k leg. Westcoast Res.: Silago (A I bar d a) .