Brachydiplax chalybea

Scientific name: Brachydiplax chalybea Brauer, 1868

Family: Libellulidae

Thai name: แมลงปอบ้านสีตะกั่วทุ่งนา

---

adult male

When you go to paddy fields or lowland ponds, I believe you see Brachydiplax chalybea, a blue dragonfly with brown side of synthorax. Young male confuses me at first time I see it.  It is the one of three members in genus Brachydiplax recorded in Thailand.

young male

Young male has brown body with some blue patches on front and dorsum of synthorax. Abdomen is blue with black color in S7-10. Ventral part of base of abdomen is brown. Adult male has bluish white pruinescence on front and dorsum of synthorax. Bluish white pruinescence is also found in dorsum of abdomen. Female has brown body and abdomen. There are two black dorsal lines on S4-6.

female

You can see this species all the year in lowland throughou the country.