PMID: 12770101May 29, 2003Paper

The role of photoperiod and temperature in determination of summer and winter diapause in the cabbage beetle, Colaphellus bowringi (Coleoptera: Chrysomelidae)

Journal of Insect Physiology
Fang-Sen XueHua Ai

Abstract

The cabbage beetle, Colaphellus bowringi, is a short-day species undergoing an imaginal summer and winter diapause. Its photoperiodic response highly depends on temperature. All adults entered diapause at </= 20 degrees C regardless of photoperiods. High temperatures strongly weakened the diapause-inducing effects of long daylengths. The diapause-averting influence of short daylengths was expressed only at high temperatures (above 20 degrees C). This indicates that the beetle has a cryptic ability to reproduce in summer. In fact, summer and winter diapause were induced principally by relatively low temperatures in the field, whereas photoperiod had less influence on diapause induction. The critical daylength for the autumnal population was between 12 h and 13 h. By transferring from a long day to a short day or vice versa at different times after hatching, it was shown that the sensitive stage with regard to photoperiod was the larva, whereas a long day was photoperiodically more potent than a short day. The sensitive stage to temperature encompassed the larval, pupal and adult stages. This different response pattern serves to ensure that the beetle enters summer and winter diapause in time. The selections for non-diapause trai...Continue Reading

References

Aug 1, 1997·Journal of Insect Physiology·H -Y. WeiF -S. Xue

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Citations

Feb 18, 2010·Bulletin of Entomological Research·G Thöming, H Saucke
Jun 16, 2010·Journal of Insect Physiology·Hai-Jun XiaoFang-Sen Xue
Feb 3, 2009·Journal of Insect Physiology·Hai-Jun XiaoFang-Sen Xue
Dec 8, 2005·Journal of Insect Physiology·Vladimír Kostál
Sep 10, 2014·Environmental Entomology·Zhong-Shi ZhouFang-Hao Wan
Apr 28, 2021·Insect Biochemistry and Molecular Biology·Shuang GuoWen Liu

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