Onychothemis tonkinensis

Onychothemis tonkinensis, the aggressive riverhawk, is a species of dragonfly in the family Libellulidae. It is widespread in many Asian countries. 3 subspecies are recognized.

Subspecies

 * Onychothemis tonkinensis ceylanica Ris, 1912
 * Onychothemis tonkinensis siamensis Fraser, 1932
 * Onychothemis tonkinensis tonkinensis Martin, 1904