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Comparative allometry and sexual behavior of four fruit fly species in the tribe ceratitidini (Diptera : Tephritidae)

Briceno R.D., Eberhard W.G., Quilici Serge. 2005. Comparative allometry and sexual behavior of four fruit fly species in the tribe ceratitidini (Diptera : Tephritidae). Journal of the Kansas Entomological Society, 78 (1) : 20-33.

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Résumé : Sexual dimorphisms in four related species of tephritid flies were shown to be associated with differences in sexual behavior. In two species, Ceraritis capitata and C. catoirii, males and females approach closely head to head and apparently· touch aristae, and the male buzzes his wings, probably Canning pheromone toward the feroale; the males were found to have longer aristae with fewer microsetae, and larger posterior areas of their wings than do females. These dimorphisms were absent in the other two species. C. rosa and Neoceratitis cyaneseens, which court at a longer distance and in which the male does not fan pheromone toward the feroale priar to mounting. AlI three pairs of legs were proportionally longer in the males of aIl four species. None of the other sexually dimorphic male signalling traits showed the positive a110metric slopes predicted by sorne theories.

Mots-clés Agrovoc : Ceratitis

Classification Agris : H10 - Ravageurs des plantes
L20 - Écologie animale

Champ stratégique Cirad : Axe 1 (2005-2013) - Intensification écologique

Auteurs et affiliations

  • Briceno R.D., UCR (CRI)
  • Eberhard W.G., UCR (CRI)
  • Quilici Serge, CIRAD-FLHOR-ARF (REU)

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Source : Cirad - Agritrop (https://agritrop.cirad.fr/547616/)

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