P. basidenta sp. n. (holotype <J: Bolivia, Santa Cruz Depto, 10 km E of Warnes, 17.40 S 63.00 W, deposited in FSCA, Gainesville, Florida) is described and figured. It is closely related to P. malkini Belle, but differs from all other known Phyllocycla by the presence of a basoventral tooth at 1/4 length of each male cercus. — P. uniforma sp. n, (holotype $: Peru, Puesto Guadalupe, deposited in FSCA) is described and figured. It is in the P. volsella (Calvert) group but has the least developed color pattern among known Phyllocycla spp. Its closest relative is P. neotropica Belle. Male mating adaptations in the genus are discussed.