Family Coenagrionidae

Onychargia atrocyana (Selys, 1865) 藍彩琵蟌
This is the only species in Borneo

藍彩琵蟌 Onychargia atrocyana

Found in Asia: Bangladesh, China, Hong Kong, Indonesia, India, Sri Lanka, Myanmar, Malaysia, Philippines, Peninsular Malaysia, Thailand, Viet Nam
 
Sub-Order: ZYGOPTERA Super-Family: COENAGRIONOIDEA Family: COENAGRIONIDAE

Onychargia atrocyana (Selys, 1865) 藍彩琵蟌

Onychargia atrocyana
藍彩琵蟌

 

Juvenile Male Matured Female looks alike


The whole damselfly is pure black with metallic deep blue on the upper part of thorax. Abdomen fine and thin but the throex is robust build.

More about male Onychargia atrocyana
 


 

 



Ovipositor of a female Onychargia atrocyana

Ovipositor of a female Onychargia atrocyana

 

♀30mm

1- A paired Valves with stylus
2- A cutting Basal blade
A pair of Cerci (Anal appendage)

2017-05-30 SG TAWAU

www.wongchunxing.com

Ref: Page 81 of A GUIDE TO THE DRAGONFLIES OF BORNEO by A.G. Orr


 


Picture 1 : A matured male Onychargia atrocyana (Selys, 1865) perching on a sun lighted tip of a leave just couple of feet above a grassy drain.

This species is rarely seen in Sabah.
 


Picture 2 : This male Onychargia atrocyana (Selys, 1865) looks very ordinary until a closer look found he has attractive blue eyes under the sun.


Picture 3 : Onychargia atrocyana (Selys, 1865) is hairy not only on upper and lower thorax, long soft hairs also cover the face and head. Most other damselflies have only short fur.


Picture 4 : Secondary genitalia of above matured male Onychargia atrocyana (Selys, 1865). Onychargia atrocyana is one of the most hairy damselfly in Sabah. Here you can see long hairs on segment 2. Usually damselflies have only short fur on abdomens.


INDEX : Damselfly     June 12, 2017 07:20:16 PM