This paper provides information about the biology, the behavior, the habits and the economic importance of both the Leptoglossus zonatus Dallas, 1852 (Hemiptera: Coreidae) bug and Agonosoma trilineatum (Fabricius, 1781) (Hemiptera: Scutelleridae) bug. We warn about the discovery of these insects in a parcel of J. curcas, established in Santa Fe de Antioquia. We also found that the Pringamosa plant, Echidoscolus rubulosus, is the wild host of the second specie in this tropical dry forest ecosystem. Both arthropods might be considered as potential pests of the oilseed crop in this region of western Antioquia.