Resumen
tDescription of immature stages of Platycoelia valida Burmeister, 1844 (Coleoptera: Melolonthidae:Rutelinae: Anoplognathini). Third instar larva and pupa of P. valida are described for the first time basedon specimens collected in soils of yucca and coffee fields in Cundinamarca, Colombia. Illustrations ofdiagnostic structures and keys to the known third-stage larvae of Rutelinae tribes and Platycoelia speciesare included. Data on the biology and distribution of P. valida in Colombia are also commented.