The genus Cairnsimyia Malloch (Diptera, Heleomyzidae, Rhinotorini)
The known species of the genus Cairnsimyia, all of which occur in Australia and New Guinea (including Papua and West Irian), are described and a key is given for their identification. Six of the nine species are described as new. The larva of one species is also described. The family Rhinotoridae is reduced to a tribe of the family Heleomyzidae.