| Budget Amount *help |
¥5,200,000 (Direct Cost: ¥4,000,000、Indirect Cost: ¥1,200,000)
Fiscal Year 2015: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2014: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2013: ¥3,120,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥720,000)
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| Outline of Final Research Achievements |
The aim of this study is to determine 1) if amplitude dependent phase shift of adult eclosion rhythm is found in insects pupating above the ground and 2) in the egg hatching rhythm. In both the fruit fly (D. melanogaster) and the silk moth (B. mori), the insects pupated above the ground, the adult eclosion occurred earlier with decreasing temperature amplitude. These observations strongly suggest that amplitude dependent phase shift of adult eclosion timing is based on mechanistic properties of the eclosion clock.
We analyzied katydids hatching rhythm under thermoperiods with different temperature amplitude, but failed to obtain the data. This is at least in part due to the lower hatchability of eggs collected in the field.
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