Abstract
Aphidius colemani Viereck(Hymenoptera: Aphidiidae) showed a developmenttime extended by 16% when reared on Myzus persicae Sulzer (Hemiptera: Aphididae) ofdifferent instars on artificial diet or onaphids on Brussels sprout plants. There wasalso a small but statistically significant 2%reduction in size (in hind tibia length) ofadult females. Rearing on diet had nosignificant effect on the number of eggsfemales contained at emergence. In a secondexperiment, aphids from Brussels sprouts ininstars 2–5 were compared with aphids from diettwo days older to give comparably sized aphidsfrom both substrates. Parasitisation by A.colemani gave the same direction of results,but showed that the effects in the firstexperiment were greater than predicted from thereduction in host size alone. However, in bothexperiments effects on parasitoids ofdiet-rearing the host were small, and culturingA. colemani on diet-reared aphids wassuccessful.
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van Emden, H., Kifle, A. Performance of the parasitoid Aphidius colemani when reared on Myzus persicae on a fully defined artifical diet. BioControl 47, 607–616 (2002). https://doi.org/10.1023/A:1020546621967
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DOI: https://doi.org/10.1023/A:1020546621967