Efeito da ausência de hospedeiro e de alimento sobre aspectos biológicos de Trichogramma pretiosum Riley (Hymenoptera: Trichogrammatidae) - DOI: 10.4025/actascibiolsci.v26i3.1540

Dirceu Pratissoli; Anderson Mathias Holtz; José Roberto Gonçalves; Ulysses Rodrigues Vianna; Luiz Luciano Bellini

doi:10.4025/actascibiolsci.v26i3.1540

Effect of the absence of host and of food on biological aspects of Trichogramma pretiosum Riley (Hymenoptera: Trichogrammatidae) - DOI: 10.4025/actascibiolsci.v26i3.1540

Dirceu Pratissoli UFES
Anderson Mathias Holtz UFV
José Roberto Gonçalves UFV
Ulysses Rodrigues Vianna UFV
Luiz Luciano Bellini UFV

DOI: https://doi.org/10.4025/actascibiolsci.v26i3.1540

Abstract

The use potential of Trichogramma genus parasitoids is huge for several insect-pests of agricultural importance. However, some biological aspects, such as parasitism capacity, viability and sexual ratio are dependent of the host availability and of food supply. This work evaluated the effect of food absence and of alternative host Sitotroga cerealella Olivier (Lepidoptera: Gelechiidae), absence, in different time intervals, over biological aspects of three Trichogramma pretiosum Riley (Hymenoptera: Trichogrammatidae) strains. The fed strains sponged up to 96 hours, and when the strains were not fed one, two and three of T. pretiosum sponged for 60, 84 and 72 hours, respectively. The results indicate that alimentary stress affects the parasitism capacity of T. pretiosum, after a period of host absence

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Author Biography

Anderson Mathias Holtz, UFV

possui graduação em AGRONOMIA pela Universidade Federal do Espírito Santo (1998), mestrado em Entomologia pela Universidade Federal de Viçosa (2001) e doutorado em Entomologia pela Universidade Federal de Viçosa (2005). Atualmente é professor efetivo da Escola Agrotécnica Federal de Colatina (ES) - EAFCOL, ministrando aulas na área de agricultura. Tem experiência na área de Agronomia, com ênfase em ENTOMOLOGIA, atuando principalmente nos seguintes temas: controle biológico, eucalipto, olerículas, Podisus nigrispinus, predador, parasitóides, Trichogramma sp., Entomopatógenos, Indutores de Resistência, Fitoquímicos e Thyrinteina arnobia Currículo Lattes

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Published

2008-04-01

How to Cite

Pratissoli, D., Holtz, A. M., Gonçalves, J. R., Vianna, U. R., & Bellini, L. L. (2008). Effect of the absence of host and of food on biological aspects of Trichogramma pretiosum Riley (Hymenoptera: Trichogrammatidae) - DOI: 10.4025/actascibiolsci.v26i3.1540. Acta Scientiarum. Biological Sciences, 26(3), 281-286. https://doi.org/10.4025/actascibiolsci.v26i3.1540

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Issue

Vol 26 No 3 (2004)

Section

Biology Sciences

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