Onychargia atrocyana explained

Onychargia atrocyana a species damselfly in the family Platycnemididae. This species is commonly known as the marsh dancer or black marsh dart. It is found in Asia: Bangladesh, China, Hong Kong, Indonesia, India, Sri Lanka, Myanmar, Malaysia, Philippines, Peninsular Malaysia, Singapore, Thailand, Viet Nam.^[1]

Description and habitat

It is a medium sized damselfly with velvet-black head, thorax and black-capped brown eyes. The dorsum of the thorax has narrow citron-yellow ante humeral stripes in the sub-adult and teneral stage. The sides are citron-yellow, marked with a broad oblique black stripe over the postero-lateral suture in that stage. But all these marks are obscured by pruinescence in adults. Abdomen is black, unmarked in the adult; but with narrow bluish basal rings on segments 3 to 6. There are yellow marks on the lateral sides of segment 1 and 2 in sub-adults. Female is similar to the sub-adult male with yellow marks.

It breeds in ponds and marshes in forests.^{[2] [3] [4] [5] [6]}

See also

• List of odonates of India
• List of odonata of Kerala

References

• Query Results
• Singapore Odonata by Tang Hung Bun
• Onychargia atrocyana of Borneo

Notes and References

1. Book: K.A. . Subramanian . K.G. . Emiliyamma . R. . Babu . C. . Radhakrishnan . S.S. . Talmale . Atlas of Odonata (Insecta) of the Western Ghats, India . 2018 . Zoological Survey of India . 9788181714954. 120–121.
2. Book: C FC Lt. Fraser. Frederic Charles Fraser. The Fauna of British India, including Ceylon and Burma, Odonata Vol. I. Taylor and Francis. Red Lion Court, Fleet Street, London. 1933. 417-418.
3. Book: C FC Lt. Fraser. Frederic Charles Fraser. A Survey of the Odonate (Dragonfly) Fauna of Western India with Special Remarks on the Genera Macromia and Idionyx and Descriptions of Thirty New Species. Zoological Survey of India. Volumes (Records). 1924. 489.
4. Book: Subramanian, K. A.. Dragonflies and Damselflies of Peninsular India - A Field Guide. 2005.
5. Web site: Onychargia atrocyana Selys, 1865. India Biodiversity Portal. 2017-03-03.
6. Web site: Onychargia atrocyana Selys, 1865. Odonata of India, v. 1.00. Indian Foundation for Butterflies. 2017-03-03.