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IDESIA  2011 

Ocorrência de Telenomus alecto Crawford, 1914 (Hymenoptera: Scelionidae) em ovos de Diatraea spp. (Lepidoptera: Crambidae) em cana-de-a úcar no estado de Alagoas, Brasil Occurrence of Telenomus alecto Crawford, 1914 (Hymenoptera: Scelionidae) in eggs of Diatraea spp. (Lepidoptera: Crambidae) in sugar cane in the stateof Alagoas, Brazil

Keywords: Controle biológico , parasitoide de ovos , broca da cana-de-a úcar , Biological control , egg parasitoid , sugar cane borer

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Abstract:

O objetivo deste trabalho foi verificar a ocorrência natural de T. alecto, parasitóide de ovos de Diatraea spp. em cana-de-a úcar no Estado de Alagoas. As posturas de D. flavipennella e D. saccharalis apresentaram 47,9% e 30,0% dos ovos com características de parasitismo e viabilidade de 92,4% e 89,9%, respectivamente. A presen a deste inimigo natural sugere um potencial de regula o natural de Diatraea spp. The objective of this study was to investigate the natural occurrence of T. alecto, an egg parasitoid of Diatraea spp. in sugar cane in the State of Alagoas. The eggs of D. flavipennella and D. saccharalis presented 47.9% and 30.0% with characteristics of parasitism, and viabilities of 92.4% and 89.9%, respectively. The presence of this natural enemy suggests a potential for natural regulation of Diatraea spp.

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