Abstract
INVESTIGATIONS on the population dynamics of the diamondback moth, Plutella maculipennis (Curt.), at Ottawa1,2 revealed that its numbers were regulated by factors affecting the adult stage. One of the more important of these was fecundity of the insect, which declined during the season. More recent findings, communicated here, indicate that fecundity is influenced by photoperiod.
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HARCOURT, D., CASS, L. Photoperiodism and Fecundity in Plutella maculipennis (Curt.). Nature 210, 217–218 (1966). https://doi.org/10.1038/210217a0
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DOI: https://doi.org/10.1038/210217a0
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