Chemical cues produced by conspecific larvae deter oviposition by the coccidophagous ladybird beetle, Cryptolaemus montrouzieri |
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| Authors: | J. Merlin, O. Lemaitre J. -C. Gré goire |
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| Affiliation: | (1) Laboratoire de Biologie animale et cellulaire, Université Libre de Bruxelles, 50 avenue F. D. Roosevelt, C.P. 160/12, 1050 Bruxelles, Belgique;(2) Fonds National Belge de la Recherche Scientifique, Belgium |
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| Abstract: | Experimental evidence shows that oviposition in Cryptolaemus montrouzieri Mulsant (Coleoptera: Coccinellidae) is deterred by the presence of conspecific larvae. A similar deterrent effect is also recorded when females are tested in an experimental set up that previously housed conspecific larvae. It is shown that an oviposition-deterring pheromone is associated with the abundant wax filaments produced by the larvae of C. montrouzieri. |
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| Keywords: | Coccinellidae Cryptolaemus montrouzieri Coccoidae oviposition-deterring pheromone |
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