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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Insectes sociaux 36 (1989), S. 219-234 
    ISSN: 1420-9098
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Description / Table of Contents: Resume L'ovariectomie des fondatrices deP. gallicus permet de distinguer une dominance sociale d'une dominance de reproduction. Les fondatrices ovariectomisées peuvent acquérir un rang dominant et le conserver. Les caractéristiques de la dominance sociale (temps passé au nid, faible récolte de nourriture, comportement de dominance) ne sont pas liées a la présence des ovaires. Par contre, les ovariectomisées ne manifestent pas de dominance de reproduction. Elles n'inhibent pas la formation des œufs des subordonnées avec la même intensité que les dominantes intactes; elles ne pratiquent pas d'oophagie différentielle. Ces deux caractères impliquent la présence d'ovaires actifs.
    Notes: Summary By means of ovariectomy it was possible to separate social and reproductive dominance in foundresses ofP. gallicus. Ovariectomized foundresses could achieve and maintain the dominant position. Characteristics of social dominance (time on nest, low contribution to food collecting, dominance behaviour) were found not to be connected to the presence of ovaries. Reproductive dominance, however, did not occur in ovariectomized foundresses. Ovariectomized dominant females did not nihibit egg-formation in subordinates to the same degree as intact dominant females did and they did not show differential oophagy. For both characteristics the presence of active ovaries is necessary.
    Type of Medium: Electronic Resource
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