PÉREZ, RICARDO, et al. “Effect of a Biopesticide on the Predatory Activity of Delphastus Pusillus (Coleoptera: Coccinellidae)”. Revista Colombiana De Entomología, vol. 34, no. 2, July 2008, pp. 176-81, doi:10.25100/socolen.v34i2.9283.