Drepanosticta hilaris Hagen in Selys, 1860

Cheerful Forest damselfly, Merry shadowdamsel



Taxonomy & Nomenclature

Synonym/s: Agrion hilare Hagen, 1858; Ceylonosticta hilaris Fraser, 1931; Disparoneura hilaris Hagen, 1859; Platysticta hilaris Selys, 1860


Conservation Status

Last record: September 1970?

Rediscovered in May 2003

IUCN status: Critically Endangered



Nuwara Eliya District and Ratnapura District, Sri Lanka


Biology & Ecology










Original scientific description:

Hagen in: de Selys Longchamps, E. (1860). Synopsis des Agrionines. Dernière légion: Protoneura. Bulletin de l'Académie royale de Belgique (Série 2): 10 (9-10): 431-462.

Other references:

Bedjanič, M. (2009). Drepanosticta hilaris. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.2. ( Downloaded on 10 May 2012.

Bedjanič, M., Conniff, K., van der Poorten, N. and Šalamun, A. (2014). Dragonfly Fauna of Sri Lanka: Distribution and Biology, with Threat Status of its Endemics. Pensoft Publishers. 320 pp. [WARNING: 25.94 MB]

van der Poorten, Nancy and Connif, Karen. (2012). The Taxonomy and Conservation Status of the Dragonfly Fauna (Insecta: Odonata) of Sri Lanka, pp. 1-10. In: The National Red List 2012 of Sri Lanka: Conservation Status of the Fauna and Flora. Weerakoon, D. K. and Wijesundara, S. (eds.). Ministry of Environment, Colombo, Sri Lanka. viii + 476 pp.

Sélys-Longchamps, M. E. de. (1860). Synopsis des Agrionines, derniere légion: Protonevra. Bulletin de l'Académie Royale des Sciences de Belgique 2(10): 431-462.


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