stages of coffee berry borer larvae consuming artificial diets with and without the MBP/exochitinase. a. State of the insects fed on a diet with addition of 0.5% (w/w) MBP/exochitinase. The picture shows the maximum size reached by the larvae after all of them had died at 15 days of evaluation. b. State of the insects fed on a control diet (15 days). These larvae developed normally and then reached the adult stage.