Abstract: The patent describes a method of selective application of entomopathogenic fungi, characterized by employing an attractant-contaminant device in which the spores of said fungus are fixed on an adsorbent material; this same adsorbent material or another, depending on the case, incorporates a specific attractant and is located on an adherent material. This adherent material can, in certain cases, incorporate a gelling agent and different additives, which maintain the adequate level of humidity for the survival of the spores. Standing out among the advantages of this ecological method of application of entomopathogenic fungi is the selectivity resulting from the use of specific attractants and the long duration of the attractant-contaminant effect thanks to the use of the controlled rate emitter (adsorbent substance) and to the fact that a greater persistence of the spores is achieved with control of the humidity.