Multiparasitism of Unaspis yanonensis (KUWANA) by Aphytis yanonensis DEBACH et ROSEN and Coccobius fulvus (COMPERE et ANNECKE) in the field

Abstract

Seasonal occurrence of multiparasitism of Unaspis yanonensis (KUWANA) by Aphytis yanonensis DEBACH et ROSEN and Coccobius fulvus (COMPERÈ et ANNECKE) was studied in the field. The multiparasitism was observed from August to September, when the host population declined and the percentage parasitism by A. yanonensis increased. The maximum percentage of multiparasitism was 10%. It is suggested that the percentage of multiparasitism was too low to have a deleterious effect on the biological control of U. yanonensis.