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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Insectes sociaux 16 (1969), S. 87-102 
    ISSN: 1420-9098
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Description / Table of Contents: Abstract Histochemical methods applied to the fat body ofFormica rufa queens show during the postembryonnic development, the following results: 1 Synthesis of lipids, glycogen and protein, successively occur in the cytoplasm of larval adipose cells. At the time of cocoon spinning, the energetic reserves (glycogen and mainly lipids) regress. During the nymphosis, the proteins are used for the histogenesis of the imaginal organs; yet, part of the proteins synthetised by the prenymph is transformed by the nymph into lipids, or constitutes the protein reserves of the swarming imago. 2 The nitrogenous products, which are copious for the larva, undergo transformations during the nymphosis, but reappear in microscristallin form at the hatching.
    Notes: Résumé Les méthodes histochimiques appliquées au corps gras des reines deFormica rufa nous ont permis de mettre en évidence, au cours du développement post-embryonnaire, les faits suivants: 1. oDes synthèses successives de lipides, glycogène et protèines ont lieu dans le cytoplasme des cellules adipeuses des larves. Lors du filage du cocon, les réserves énergétiques (glycogène et surtout lipides) régressent. Au cours de la nymphose, les protéines sont employées à l'histogenèse des organes imaginaux; toutefois, une partie des protéines synthétisées chez la prénymphe est transformée, chez la nymphe, en lipides ou constitute la réserve protéique de l'imago esssaimant. 2. oLes dèchets puriques, abondants chez la larve, subissent des transformations pendant la nymphose, mais rèapparaissent sous forme microcristalline ä l'èclosion.
    Type of Medium: Electronic Resource
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