Letter | Published:

Influence of Photoperiod on Imaginal Diapause in Acridids


IT has recently been shown1 that the rate of sexual maturation in the desert locust (Schistocerca gregaria Forsk.) in the laboratory in London is influenced by the length of the daily photoperiod. Adults emerging in winter or kept in artificial photoperiods corresponding with winter day-length mature more rapidly than those emerging in summer or kept in artificial summer day-length.

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  1. 1

    Norris, M. J., Anti-Locust Bull. No 28 (1957).

  2. 2

    Uvarov, B. P., Bull. Ent. Res., 24, 419 (1933).

  3. 3

    Hamilton, A. G., Trans. Ent. Soc., 85, 1 (1936).

  4. 4

    Corbet, P. S., J. Exp. Biol., 33, 1 (1956).

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