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

Authors

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

DOI:

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

Keywords:

controle biológico, Trichogramma pretiosum, Sitotroga cerealella, parasitóide

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

Issue

Vol. 26 No. 3 (2004)

Section

Biology Sciences

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How to Cite

Effect of the absence of host and of food on biological aspects of Trichogramma pretiosum Riley (Hymenoptera: Trichogrammatidae) - DOI: 10.4025/actascibiolsci.v26i3.1540. (2008). Acta Scientiarum. Biological Sciences, 26(3), 281-286. https://doi.org/10.4025/actascibiolsci.v26i3.1540