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vol.28 número2CALIDAD DE LOS TOMATES PRODUCIDOS EN CONDICIONES DE AMBIENTE PROTEGIDO Y ABIERTASOBSERVACIONES SOBRE LA FERTILIDAD DIFERENCIAL DE DOS MORFOTIPOS ALARES EN PEREGRINUS MAIDIS (ASHMEAD) (HEMIPTERA: DELPHACIDAE) EN CONDICIONES DE LABORATORIO índice de autoresíndice de assuntospesquisa de artigos
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Idesia (Arica)

versão On-line ISSN 0718-3429

Resumo

RODRIGUES VIANNA, Ulysses et al. HOST AND FEEDING PRIVATION ON THE TRICHOGRAMMA ATOPOVIRILIA (HYMENOPTERA: TRICHOGRAMMATIDAE) REPRODUCTIVE CHARACTERISTICS. Idesia [online]. 2010, vol.28, n.2, pp.83-88. ISSN 0718-3429.  http://dx.doi.org/10.4067/S0718-34292010000200010.

The effect of time different periods was compared without host in the Trichogramma atopovirilia (Hym.: Trichogrammatidae) reproducitive characteristics fed or not. Anagasta kuehniella (Lepidoptera: Pyralidae) and Sitotroga cerealella (Lepidoptera: Gelechiidae) eggs they were used as hosts, being exposed to that parasitoid females after 0, 6, 12, 24, 36, 48, 60, 72, 84 or 96 hours. T. atopovirilia females, fed and sponged the hosts eggs up to 96 hours without the same ones. However, the parasitism happened until the period of 24 hours in A. kuehniella and 48 hours with S. cerealella when not fed. The T. atopovirilia parasitism, the emergency and the sexual reason were similar in A. kuehniella eggs, but with the increase of the period without that host, it decreases along the time, with S. cerealella in a similar way it was observed for those not fed. The food was the principal factor that affected in the T. atopovirilia parasitism.

Palavras-chave : Insecta; Hymenoptera; parasitoid; alternative host; biological control.

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