Abstract
WHEN larvae of Aphis craccivora Koch become parasitized by the hymenopterous parasite Aphidius platensis Brèthes, they show a retention of juvenile characters (metathetely) in their subsequent instars1. If the parasite's eggs are deposited in 1st instar larvae, in addition to developing metathetely, the larvae show some prothetely—premature development of adult characters—when they moult into the 4th instar, and they never become adults, although they are not finally killed by the parasite until one or two days after they would normally have moulted into the adult stage1.
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References
Johnson, B., Entomologia Exp. Appl., 2, 82 (1959).
Van der Kloot, W., Ann. Rev. Physiol., 24, 491 (1962).
Johnson, B., J. Insect Physiol., 9, 727 (1963).
Bodenstein, D., Proc. 9th Int. Congr. Entomol., 2, 58 (1951). Wigglesworth, V. B., J. Exp. Biol., 29, 561 (1952); 32, 485 (1955).
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JOHNSON, B. Premature Breakdown of the Prothoracic Glands in Parasitized Aphids. Nature 206, 958–959 (1965). https://doi.org/10.1038/206958a0
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DOI: https://doi.org/10.1038/206958a0
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