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

Xue FS, Spieth H, Li AQ, Ai H (2002)
JOURNAL OF INSECT PHYSIOLOGY 48(3): 279-286.

Journal Article | Published | English

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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 less than or equal to 20 degreesC 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 degreesC). 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 trait under laboratory (at 25 degreesC) and natural conditions (at > 24 degreesC) showed that the beetle could lose its sensitivity to photoperiod very rapidly. (C) 2002 Elsevier Science Ltd. All rights reserved.
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Xue FS, Spieth H, Li AQ, Ai H. 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. 2002;48(3):279-286.
Xue, F. S., Spieth, H., Li, A. Q., & Ai, H. (2002). 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, 48(3), 279-286.
Xue, F. S., Spieth, H., Li, A. Q., and Ai, H. (2002). 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 48, 279-286.
Xue, F.S., et al., 2002. 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, 48(3), p 279-286.
F.S. Xue, et al., “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, vol. 48, 2002, pp. 279-286.
Xue, F.S., Spieth, H., Li, A.Q., Ai, H.: 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. 48, 279-286 (2002).
Xue, FS, Spieth, Hubert, Li, AQ, and Ai, H. “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 48.3 (2002): 279-286.
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