It feeds on the nectar and pollen of flowers. Because it's able to sense auras, it can identify which flowers are about to bloom.
Myriads of Cutiefly flutter above the heads of people who have auras resembling those of flowers.
Nectar and pollen are its favorite fare. In fields of flowers, it gets into skirmishes with Butterfree over food.
Cutiefly can pick up the auras of living things. It skillfully reads those auras to predict its foes' movements and make fools of them.
Nectar and pollen are its favorite fare. You can find Cutiefly hovering around Gossifleur, trying to get some of Gossifleur's pollen.
An opponent's aura can tell Cutiefly what that opponent's next move will be. Then Cutiefly can glide around the attack and strike back.