UTILIZATION OF ENERGY SOURCE IN THE ADULTS OF COCCINELLA SEPTEMPUNCTATA BRUCKII MULSANT (Coleoptera : Coccinellidae)
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概要
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To understand the life cycle of C. septempunctata, the energy metabolism in the adults was studied. O_2 uptake of C. septempunctata showed remarkably active vitality among five Coccinellidae species. Measurements of RQ, lipid and carbohydrate contents of matured ones in reproducing stage showed active utilization of carbohydrate as the energy source in normal time and lipid under the starvation. Glycogen contents just after emergence were equivalent to the value of matured ones starved for 24 hrs, which value might be considered as the basal metabolic one to keep its life. Starvation of newly emerged ones caused the death after 7 days, and 5 days of feeding or starvation resulted on about 40% of increase or 30% of decrease in glycogen contents. In total sugar and trehalose fraction, so much change as glycogen was not observed. Acknowledgements. The author wishes to express his thanks to Prof. K. Iyatomi and Assoc. Prof. T. Saito for giving the convenience to perform this work.
- 日本昆虫学会の論文
- 1969-05-31
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