Euphaea masoniEuphaea masoni is a species of damselfly in the family Euphaeidae, the gossamerwings.DescriptionThe male is almost entirely black, including its wings. The female has lighter colored wings.RangeEuphaea masoni is found mostly in Southeast Asia, including southern China, India, Laos, Myanmar, Thailand, Vietnam.EcologyIt is found near streams. Phoretic associations between larvae of Nanocladius asiaticus and Euphaea masoni have been reported.