Copera chantaburii

Scientific name: Copera chantaburii Asahina, 1984

Family: Coenagrionidae

Thai name: แมลงปอเข็มยาวจันทบุรี

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I remember the first time I see this species. I found it perched on the grass leave near small pond in my backyard. I send specimen of this unknown damselfly to Mr. Pisuth Ek-Amnuay to check in his collectiona and literature. Finally, he told me it's Copera chantaburii, a Thai endemic species.

male

Male is pinkish brown body with pale stripes as in photo. Prothorax has a pair of small horn. Legs are pale orange yellow. Abdomen is pale brown except almost part of S8-9 and S10 are white. Caudal appendages are white. Superior appendages are curved downward. Female is similar to the male. This species has a ghost form like C. marginipes and C. vittata.

 female

you can see this species in Northern, Central and Eastern parts of Thailand between September-March.