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  • Larvae  (1)
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    Electronic Resource
    Electronic Resource
    Springer
    Insectes sociaux 38 (1991), S. 439-442 
    ISSN: 1420-9098
    Keywords: Larvae ; feeding ; Ponerinae ; Pachycondyla
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Description / Table of Contents: Summary In colonies ofPachycondyla caffraria the nurse workers gather together the larvae which lift the anterior part of their body as a result of the antennal palpation they receive, and then feed them. We have shown experimentally that this response of raising the anterior part of the body is the only signal by which workers are able to recognize hungry larvae. They are not able to detect larvae they have not selected, as follows from experiments in which such larvae are placed in the group of larvae that they are about to feed.
    Notes: Résumé Dans les sociétés dePachycondyla caffraria les ouvrières nourrices regroupent les larves qui ont redressé leur région antérieure à la suite des palpations antennaires reçues, puis les nourrissent. Nous avons pu montrer expérimentalement que cette réaction de redressement de l'avant du corps est le seul indice qui permette aux ouvrières de reconnaître les larves affamées. Elles ne savent pas déceler les larves qu'elles n'ont pas sélectionnées à ce moment, si celles-ci ont expérimentalement été placées dans le groupe des larves qu'elles vont nourrir.
    Type of Medium: Electronic Resource
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