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Revista Brasileira de Entomologia; v. 50(2); p. 287-292; Available from; 32 refs., 1 fig., 2 tabs.


The behavior of A. obliqua females is regulated by endogenous and exogenous factors and among these the presence of males. Experiments were carried out to investigate whether the presence of males and their nutritional condition may affect the behavior of self-selection feeding and the performance of A. obliqua females. Females were sorted in groups containing yeast-deprived females and males, and non-yeast deprived females and males. The females were maintained apart from the males by a transparent plastic screen. Several yeast and sucrose combinations were offered to the females in a single diet block or in separate blocks. Ingestion, egg production, longevity and diet efficiency were determined. The non-yeast-deprived males positively influenced the females performance when the latter were fed with yeast and sucrose in distinct diet blocks. Performance was better in the groups without males and with yeast-deprived males where the females could not select the nutrient proportions (yeast and sucrose in a single diet block). (author)


Cresoni-Pereira, Carla; Zucoloto, Fernando Sergio


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Created at 16/07/2014 21:38 by Abdeljelil Bakri
Last modified at 16/07/2014 21:38 by Abdeljelil Bakri