The Influence of Cold Storage on the Survival and Reproduction by Aphelinus asychis1 Adults 2

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Abstract
A procedure for storing Aphelinus asychis (Walker) adults at reduced temperatures was developed. Storage of adults was studied at 15, 30, 60, 90, 105, and 120 days at temperatures of 10, 7.2, 4.4, and 1.7°C. The effects of weekly and monthly feeding schedules on survival and reproduction were studied. The optimum temperature was 4.4°C. Adults survived longest when fed weekly, but the feeding schedule did not influence reproduction. Females survived storage longer than males and were able to produce a normal proportion of ♀ offspring without additional mating after storage. Adults stored for 15 days reproduced at the same level as unstored adults, but reproduction declined as the length of storage increased.

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