Abstract Background The red palm weevil (RPW), Rhynchophorus ferrugineus (Olivier) (Coleoptera: Curculionidae), is a serious threat to date palms across the globe, causing heavy yield losses. pest inflicts damage stem and destroys vascular system; resultantly lower vigor affect growth yield. For ecological farming system, biological control of gaining increased interest due hosts’ specificity, ...

in this study, the effects of two metarhizium anisopliae isolates, originally obtained from red palm weevil (rhynchophorus ferrugineus) and a beetle (parandra caspica), on adults of russian wheat aphid diuraphis noxia were studied under laboratory coditions. after a determination of the minimum & maximum concentrations, the adults were treated with conidial concentrations of 1×103 to 1×106 coni...