''Drepanosticta brincki'' (Brinck's shadowdamsel) is a species of

damselfly Damselflies are flying insects of the suborder Zygoptera in the order Odonata. They are similar to dragonflies (which constitute the other odonatan suborder, Epiprocta) but are usually smaller and have slimmer bodies. Most species fold the win ...

in the family

Platystictidae Platystictidae is a family of damselflies, commonly known as shadowdamsels. They look very similar to the threadtail damselfly family ( Protoneuridae). They can mostly be found throughout Asia, Central America, and South America. Most members of ...

. It is

endemic Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...

Sri Lanka Sri Lanka, officially the Democratic Socialist Republic of Sri Lanka, also known historically as Ceylon, is an island country in South Asia. It lies in the Indian Ocean, southwest of the Bay of Bengal, separated from the Indian subcontinent, ...

Sources

Biodiversity of Sri Lanka

Animal diversity web
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List of odonates of Sri Lanka Sri Lanka is a tropical island situated close to the southern tip of India. The invertebrate fauna is as large as it is common to other regions of the world. There are approximately 2 million known species of arthropods, and this number continues ...

Damselflies of Sri Lanka Insects described in 1970 {{damselfly-stub