Abstract
IT has been known for a long time that the application of a ligature posterior to the brain in the larva of the blowfly, Calliphora erythrocephala Meig., prevents the pupation of the posterior part, provided that the ligature is applied before a “critical period” in the development of the larva has been reached1. If the ligature is applied after the critical period has passed then the whole larva darkens and forms a puparium.
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References
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LANGLEY, P. Effect of Ligaturing on Puparium Formation in the Larva of the Tsetse Fly, Glossina morsitans Westwood. Nature 214, 389–390 (1967). https://doi.org/10.1038/214389a0
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DOI: https://doi.org/10.1038/214389a0
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