Recently, the species has been found in north of Vietnam, Tam Dao National Park and Xuan Son National Park. This is a small-medium sized damselfly; the head and body are metallic green with cream-yellow patches on lower synthorax. As well as it of the female, the male prothorax has distinct structure dorsal posterior lobe. The inferior anal appendages are undeveloped in the male. The wings are hyaline with apical fade spot and both fore and hind wings are petiolate at very base. They fly in the end of rain season in good forests of high mountains and do not live far from the breeding sites. They are weak flying insects and usually perch on vegetations near clean running water.
Male, photographed by Cuong Do, Tam Dao National Park
Female, photographed by Cuong Do, Tam Dao National Park