Parasitic wasps (parasitoids) have been extensively used as biological control agents against veterinary and agricultural pests. Over the past several years, it has become increasingly evident that many of these parasitoids, particularly members of the Ichneumonoidea, have silent partners that play a major role in their success as biological control agents. These third party entities consist mainly of viruses and virus-like particles (VLPs, lacking nucleic acid or for which the nucleic acid composition is not yet known) that are presumed or determined empirically, to enhance the survival of the parasitoid within its host.
More than 80% of the Hymenoptera consist of parasitic species but little is known about their viral or VLP symbionts. It has been suggested that symbiotic viruses and VLPs influence the host range of their wasp, influencing the types of hosts they infect. Nevertheless, very little is known about the distribution and types of viruses and VLPs that occur in different...
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Lawrence, P.O. (2008). Symbiotic Viruses of Parasitic Wasps. In: Capinera, J.L. (eds) Encyclopedia of Entomology. Springer, Dordrecht. https://doi.org/10.1007/978-1-4020-6359-6_4504
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