We evaluated the acceptability of an artificial diet for the feeding larval stage of the butterfly Battus polydamas polydamas(Lepidoptera: Papilionidae) under control conditions. We offered to the larvae a diet in different forms and composition: disks, spilled like a supplement over the host sheet plant and host plant like a control. The diet composition was made according with preliminary essays and nutritional analyses to the larvae and the host plant, Aristolochia maxima. The longevity of the larvae, raised in the laboratory, was significantly affected for the different food treatments. Only finalized