Letter | Published:

Lengthening of Illumination Period is a Factor in Averting Diapause

Naturevolume 247pages385386 (1974) | Download Citation

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Abstract

DURING studies of wing length and diapause of Gerris odontogaster (Zett.) (Heteroptera, Gerridae), I claimed1 an intimate correlation between the micropterous and nondiapause conditions and the macropterous and diapause conditions respectively, in pre-overwintering populations. I also summarised the general determination of wing lengths and diapause (Fig. 1), and later a macropter with fully developed eggs was collected from a dimorphic population.

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References

  1. 1

    Vepsäläinen, K., Ann. Acad. Sci. fenn., A, IV, 183, 1 (1971).

  2. 2

    Tauber, M. J., and Tauber, C. A., Nature, 244, 296 (1973).

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  1. Department of Genetics, University of Helsinki, SF-00100, Helsinki, 10

    • KARI VEPSÄLÄINEN

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https://doi.org/10.1038/247385a0

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