Chorismagrion

Chorismagrion is a monotypic genus of damselflies belonging to the family Synlestidae. The single species of this genus, Chorismagrion risi, known as a pretty relict, is a slender, medium-sized damselfly, mostly black in colour with white markings. It is endemic to north-eastern Australia, where it inhabits streams and large pools in rainforests.