On a collection of dragonflies made by members of the Skeat expedition in the Malay peninsula in 1899-1900. [Pt. I] / by F.F. Laidlaw.

  • Laidlaw, Frank Fortescue, 1876-1963.
Date:
1902
Catalogue details

Licence: In copyright

Credit: On a collection of dragonflies made by members of the Skeat expedition in the Malay peninsula in 1899-1900. [Pt. I] / by F.F. Laidlaw. Source: Wellcome Collection.

Provider: This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.

    7/36 (page 67)
    Journ. Linn. Soc., Zool. xxiv, p. 551; Selys, Ann. Mus. Genov. (2) X. p. 468 (1891). A Avidely spread Oriental species; common on the lower reaches of the Kelantan River and in the town of Trengganu. Crocothemis servilia (Drury). Crocotheinis servilia, Kirby, Cat. Odonata, p. 21 ; Selys, Ann. Mus. Genov. (2) x. p. 468 (1891). Kwala Aring in August, in an open space near forest. East Indies and Australia. Brachydiplax maria Selys. Brachydiplax maria, Kirby, Cat. Odonata, p. 22. Kwala Aring. Dindings and Selangor {^Ridley). Borneo. ^Brachydiplax mel^xops Selys, Ann. Mus. Genov, xxvii. p. 457. Brachydiplax melanojjs, Kirby, Cat. Odonata., p. 22. A small species fi-om Selangor taken by Mr. Ridley, and now in the British Museum, probably belongs to the species indicated by de Selys, agreeing with it in its small size. Abdomen 16‘5 mm. long; hind wing 22*5. The thorax and first fore segments of abdomen blue-pruinose. 6 prenodals and 5 postnodals on the fore wing. Internal triangle free. Brachydiplax pruinosa, sp. n. Length of abdomen 18-5 mm. Length of hind wing 24 mm. . Head yellowish grey, margins of the upper and loAver lips black, frontal tubercle, and upper surfaces metallic blue. Eyes brown. Prothorax and thorax coppery green dusted over with very pale blue ‘ bloom.’ Abdomen ; first five segments grey, also coated with ‘ bloom,’ the rest black, second and third segments with a transverse carina ; legs black; pterostigma and venation black. Fore wings: 8 antenodals, 6 or 7 postnodals. Discoidal tri- angle free, followed by two rows of cells. Hind wings; 7 antenodals, 6 or 7 (usually 7) postnodals. The hind wings have a faint tint of yellow at their base. Two males from Kwala Aring taken in August. ^Microdiplax delicatula Selys. Microdiplax delicatula, Kirby, Cat. Odonata, p. 22. Macrodiplax vittata Kirby. Urothemis vittata Kirby, Journ. Linn. Soc., Zool. xxiv. p. 552, pi. 42. fig. 2. A male specimen from Kwaia Aring. Mr. Kirby tells me that this species should be refeiTed rather to the genus h\racroddplax