In the second experiment, larvae were also signi®-cantly more susceptible to infective juveniles of
S. carpocapsae and S. feltiae than to S. riobravis (Table 1). S. carpocapsae adults and/or 4th-stage juveniles were found in 16 of 30 puparia, and 7 puparia contained hundreds of infective juveniles. Ten of 30 puparia had S. feltiae adults and/or 4th-stage juveniles and 11 puparia contained hundreds of infective juveniles. Sixty percent of the dead pupae had an S. feltiae infestation (Table 1).