The Australian syrphid flies of the subfamily cerioidinae (Diptera: Syrphidae): Systematics and wing folding.

The Australian representatives of this subfamily are recorded and nine new species described: Cerioides ablepta, C. euchroma, C. lypra, C. optata, C. phya, C. picta, C. procapra, C. sphenotoma, and C. tolmera. An account of the longitudinal wing folding, which occurs in a limited number of the species, is given.