Egg Parasitoids in Agroecosystems with Emphasis on Trichogramma

Volume 9 of the series Progress in Biological Control pp 315-340


Quality Control of Mass Reared Egg Parasitoids

  • Joop C. van LenterenAffiliated withLaboratory of Entomology, Wageningen University Email author 
  • , Franz BiglerAffiliated withAgroscope Reckenholz-Taenikon Research Station ART

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In this chapter we will present methods for determination of the quality of mass reared egg parasitoids. Before we describe quality control guidelines, we will first outline the development of quality control of natural enemies, summarize the basic considerations concerning management of laboratory populations, and discuss obstacles in mass rearing that may lead to deterioration of natural enemy quality. We consider a discussion of the above topics essential for understanding practical quality control guidelines, because without a proper theoretical background, relevant guidelines cannot be developed. Where possible, we have illustrated background theory with examples from the egg parasitoid literature.