Use of a Virus against the Coconut Palm Rhinoceros Beetle in Fiji

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Abstract
The virus Rhabdionvirus oryctes was initially released against the coconut palm rhinoceros beetle Oryctes rhinoceros in Fiji, by the addition of virus material to artificially constructed breeding sites. This method has now been superseded by the release of infected adult beetles, which act as vectors to spread the pathogen into natural breeding sites. Infection of larvae and adults is peroral. Results obtained at many release points in the Fiji Islands show that a marked reduction in the amount of beetle damage to palms occurs one year to 18 months after release and establishment of the virus in the beetle population.