Respostas fisiológicas, morfológicas e comportamentais de Zabrotes subfasciatus (Boheman) (Coleoptera: Bruchidae) associadas ao consumo de diferentes variedades de feijão (Phaseolus vulgaris) | Physiologic, morphologic and behavioural responses of Zabrotes subfasciatus (Boheman) (Coleoptera: Bruchidae) related to the consume of different varieties of Phaseolus vulgaris
Marteleto, Patrícia B. | Lomônaco, Cecília | Kerr, Warwick E.
This study was developed aiming to verify physiological, morphological and behavioral responses of two different Zabrotes subfasciatus (Boheman) populations to different beans varieties (Phaseolus vulgaris) (Fabaceae). Female longevity, fertility and oviposition preference site, as well as size and levels of fluctuating asymmetry for males and females were described. Zabrotes subfasciatus displayed physiological plasticity in response to the diet, which was considered an important adaptive ability to maintain the insect generalist habit for food consumption and oviposition sites. The populations studied had different responses to the same treatments, indicating genetic, physiological and behavioral variation on their plastic potential. The Hopkins principle, which determines the influence of previous female experience in the choice of oviposition sites, was not confirmed. The occurrence of fluctuating asymmetry in males and females was variable, probably as a consequence of genomic factors determining this trait.
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