サトウダニの生活史におよぼす温度の影響

概要

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The effects of various temperatures on the life cycle of Carpoglyphus lactis were investigated. The container and the food for mites were the same as those reported in the previous paper. The temperatures used were 5,10,15,20,25,30 and 35℃. The relative humidity varied, depending upon temperatures, from 90.5% R. H. to 100% R. H. One egg was observed until it gave rise to an adult mite. After pairing the grown female and male, the fecundity was observed. The observation was continued till the individual mite died in the container. At 5 and 35℃ it was impossible for the mite to grow. At lower temperatures, within the range between 10 and 30℃, completion of the life cycle and the longevity were prolonged, and the number of mites giving rise to adults decreased. Total numbers of eggs laid per female at 15 and 20℃ were larger than those at the other temperatures. At 30℃ the period for the development from an egg to an adult, 6.8 days, was shortest and the appearance rate of the adults was highest. These two effects of the high temperature seem to make amends for the lower fecundity and the shorter longevity, resulting in the fast increase of the mite population.
日本衛生動物学会の論文
1986-09-15