Abstract
EXPERIMENTS have been carried out in the United Kingdom and the United Arab Republic (Egypt) to show the effect of population density on the silver Y moth, Plusia gamma L. and the cotton leaf worm, Prodenia litura (Fab.) respectively. In these experiments two parallel cultures of solitary and crowded conditions were maintained for each species.
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Hirata, S., Researches on Population Ecology, III (Entomological Laboratory Kyoto University, Japan, 1956). Long, D. B., Trans. Roy. Ent. Soc., 104, (Part 15), 541 (1953). Zaher, M. A., and Long, D. B., (in the press).
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ZAHER, M., MOUSSA, M. Relationship between Larval and Pupal Periods of some Lepidopterous Insects. Nature 184, 288 (1959). https://doi.org/10.1038/184288a0
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DOI: https://doi.org/10.1038/184288a0
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