VILLEGAS, N.P., GAIGL, A. and VALLEJO-E., L.F. 2008. The white grub complex (Coleoptera: Melolonthidae) associated with onion and pasture in Risaralda, Colombia. Revista Colombiana de Entomología. 34, 1 (Jun. 2008), 83–89. DOI:https://doi.org/10.25100/socolen.v34i1.9255.