Insectes Sociaux

, Volume 34, Issue 4, pp 274–279 | Cite as

Sex determination in bees XXI. Number of xo-heteroalleles in a natural population ofMelipona compressipes fasciculata (Apidae)

  • W. E. Kerr


Data are produced that allows estimating the number of xo-heteroalleles ofMelipona compressipes fasciculata as being equal to 20.0 (s=1.36) which does not differ significantly fromApis mellifera (n=18.9). Emphasis is given to the fact that the lethal equivalents estimate forApis mellifera (1.29 to 1.36) also does not differ from the one found for meliponids (1.08 to 1.14). These equations are supposed to be due to similar evolutionary pressures that sex determination and eusocial life exercise upon the genetic parameters of the populations of these bee species with largeNe.

Détermination du sexe chez les abeilles. XXI. Nombre de xo-hétéroaalléles dans une population naturelle deMelipona compressipes fasciculata (Apidae)


Les résultats permettent d'estimer à 20.0 (s=1.36) le nombre de xo-hétéroallèles deMelipona compressipes fasciculata, ce qui ne diffère pas significativement d'Apis mellifera (18.9). on dit remarquer le fait que les équivalents létaux estimés pourApis mellifera (1.29 à 1.36) ne diffèrent pas de ceux trouvés pour les Meliponides (1.08 à 1.14). Ces données semblent démontrer quecette ressemblance est due aux pressions évolutives similaires provenant de la détermination du sexe et de la vie eusociale s'exerçant sur les pramètres génétiques des populations de ces abeilles avec un grandNe.


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Copyright information

© Masson 1987

Authors and Affiliations

  • W. E. Kerr
    • 1
  1. 1.Departmento de BiologiaUniversidade Federal do MaranhâoSâo LuisBrasil

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