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Neotropical Entomology
Article
License: CC BY NC
Data sources: UnpayWall
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Neotropical Entomology
Article . 2003 . Peer-reviewed
Data sources: Crossref
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Efeitos de hospedeiros alternativos na biologia de Catolaccus grandis (Burks) (Hymenoptera: Pteromalidae), parasitóide de Anthonomus grandis Boheman (Coleoptera: Curculionidae)

Authors: Ramalho, Francisco S.; Dias, José M.;

Efeitos de hospedeiros alternativos na biologia de Catolaccus grandis (Burks) (Hymenoptera: Pteromalidae), parasitóide de Anthonomus grandis Boheman (Coleoptera: Curculionidae)

Abstract

Foram estudados, em câmara climatizada, a 30oC, umidade relativa de 60 ± 10% e fotofase de 14h, os efeitos dos hospedeiros alternativos Euscepes postfasciatus (Fairmaire) e Callosobruchus maculatus (Fabricius) na reproducao e ataque de Catolaccus grandis (Burks), parasitoide do bicudo-do-algodoeiro. Os hospedeiros alternativos C. maculatus e E. postfasciatus, proporcionaram ao parasitoide, taxas de desenvolvimento superiores as apresentadas por A. grandis. As taxas de parasitismo variaram de 44,3% no hospedeiro alternativo E. postfasciatus a 39,9% em A. grandis. O hospedeiro natural (bicudo) foi o que originou a maior porcentagem de pupas femeas (73,7%). C. grandis apresentou a mesma aceitacao para oviposicao em ambos hospedeiros alternativos, porem a maior producao de ovos foi obtida sobre E. postfasciatus. A oogenese do parasitoide foi estimulada de forma semelhante na presenca dos hospedeiros A. grandis e E. postfasciatus, e ambos superaram o hospedeiro alternativo C. maculatus em numero de ovos depositados nos cinco primeiros dias. A qualidade do hospedeiro afetou o periodo de oviposicao e a longevidade do parasitoide, sendo o hospedeiro A. grandis responsavel por menor expectativa de vida e menor periodo de oviposicao. Larvas de E. postfasciatus ou C. maculatus podem ser usadas como hospedeiros alternativos de C. grandis e estimulam a oogenese em femeas de C. grandis.

Keywords

mass rearing, bicudo-do-algodoeiro, Insecta, criação massal, ectoparasitóide, biological control, ectoparasitoid, cotton boll weevil, controle biológico

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
9
Average
Average
Average
Green
hybrid