Influence of host preference, mating, and release density on the parasitism of Telenomus remus (Nixon) (Hymenoptera, Platygastridae)

Detalhes bibliográficos
Autor(a) principal: Queiroz,Ana Paula de
Data de Publicação: 2017
Outros Autores: Bueno,Adeney de Freitas, Pomari-Fernandes,Aline, Bortolotto,Orcial Ceolin, Mikami,Adriana Yatiem, Olive,Lopes
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Revista brasileira de entomologia (Online)
Texto Completo: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262017000100086
Resumo: ABSTRACT We evaluated the influence of host preference, mating, and release density on Telenomus remus (Nixon, 1937) (Hymenoptera: Platygastridae) parasitizing eggs of Spodoptera frugiperda (Smith, 1797) (Lepidoptera: Noctuidae). First, we tested host preference of T. remus (free choice test) offered a choice between eggs of Corcyra cephalonica (Stainton, 1865) (Lepidoptera: Pyralidae) and S. frugiperda. Parasitism capacity and host preference (S. frugiperda) of T. remus reared on either of the two hosts did not differ. Secondly, we evaluated the influence of mating behavior of T. remus females on its parasitism. Only the offspring sex ratio differed between treatments, indicating that the species reproduces by parthenogenesis of the arrhenotoky type. Finally, we evaluated the influence of release density on T. remus parasitism. This was tested by releasing different numbers of the parasitoid per S. frugiperda egg using T. remus reared for different numbers of generations on C. cephalonica eggs. The regression analysis between percentage of parasitism and density of released T. remus females showed a quadratic effect for all tested parasitoid generations (F35, F40, and F45) with maximum parasitism from 65.07% to 71.69%. Our results allow the conclusion that (a) T. remus prefers S. frugiperda eggs, regardless of the host on which this parasitoid was reared, showing no preimaginal conditioning; (b) Mating does not affect the number of eggs parasitized by T. remus or the development of its offspring; and (c) The optimal T. remus release density when reared on C. cephalonica is between 0.133 and 0.150 females/S. frugiperda.
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spelling Influence of host preference, mating, and release density on the parasitism of Telenomus remus (Nixon) (Hymenoptera, Platygastridae)Arrhenotokous parthenogenesisOptimal numberPhenological stagesPreimaginal conditioningABSTRACT We evaluated the influence of host preference, mating, and release density on Telenomus remus (Nixon, 1937) (Hymenoptera: Platygastridae) parasitizing eggs of Spodoptera frugiperda (Smith, 1797) (Lepidoptera: Noctuidae). First, we tested host preference of T. remus (free choice test) offered a choice between eggs of Corcyra cephalonica (Stainton, 1865) (Lepidoptera: Pyralidae) and S. frugiperda. Parasitism capacity and host preference (S. frugiperda) of T. remus reared on either of the two hosts did not differ. Secondly, we evaluated the influence of mating behavior of T. remus females on its parasitism. Only the offspring sex ratio differed between treatments, indicating that the species reproduces by parthenogenesis of the arrhenotoky type. Finally, we evaluated the influence of release density on T. remus parasitism. This was tested by releasing different numbers of the parasitoid per S. frugiperda egg using T. remus reared for different numbers of generations on C. cephalonica eggs. The regression analysis between percentage of parasitism and density of released T. remus females showed a quadratic effect for all tested parasitoid generations (F35, F40, and F45) with maximum parasitism from 65.07% to 71.69%. Our results allow the conclusion that (a) T. remus prefers S. frugiperda eggs, regardless of the host on which this parasitoid was reared, showing no preimaginal conditioning; (b) Mating does not affect the number of eggs parasitized by T. remus or the development of its offspring; and (c) The optimal T. remus release density when reared on C. cephalonica is between 0.133 and 0.150 females/S. frugiperda.Sociedade Brasileira De Entomologia2017-01-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262017000100086Revista Brasileira de Entomologia v.61 n.1 2017reponame:Revista brasileira de entomologia (Online)instname:Sociedade Brasileira De Entomologia (SBE)instacron:SBE10.1016/j.rbe.2016.12.004info:eu-repo/semantics/openAccessQueiroz,Ana Paula deBueno,Adeney de FreitasPomari-Fernandes,AlineBortolotto,Orcial CeolinMikami,Adriana YatiemOlive,Lopeseng2017-03-24T00:00:00Zoai:scielo:S0085-56262017000100086Revistahttp://www.rbentomologia.com/https://old.scielo.br/oai/scielo-oai.php||sbe@ufpr.br1806-96650085-5626opendoar:2017-03-24T00:00Revista brasileira de entomologia (Online) - Sociedade Brasileira De Entomologia (SBE)false
dc.title.none.fl_str_mv Influence of host preference, mating, and release density on the parasitism of Telenomus remus (Nixon) (Hymenoptera, Platygastridae)
title Influence of host preference, mating, and release density on the parasitism of Telenomus remus (Nixon) (Hymenoptera, Platygastridae)
spellingShingle Influence of host preference, mating, and release density on the parasitism of Telenomus remus (Nixon) (Hymenoptera, Platygastridae)
Queiroz,Ana Paula de
Arrhenotokous parthenogenesis
Optimal number
Phenological stages
Preimaginal conditioning
title_short Influence of host preference, mating, and release density on the parasitism of Telenomus remus (Nixon) (Hymenoptera, Platygastridae)
title_full Influence of host preference, mating, and release density on the parasitism of Telenomus remus (Nixon) (Hymenoptera, Platygastridae)
title_fullStr Influence of host preference, mating, and release density on the parasitism of Telenomus remus (Nixon) (Hymenoptera, Platygastridae)
title_full_unstemmed Influence of host preference, mating, and release density on the parasitism of Telenomus remus (Nixon) (Hymenoptera, Platygastridae)
title_sort Influence of host preference, mating, and release density on the parasitism of Telenomus remus (Nixon) (Hymenoptera, Platygastridae)
author Queiroz,Ana Paula de
author_facet Queiroz,Ana Paula de
Bueno,Adeney de Freitas
Pomari-Fernandes,Aline
Bortolotto,Orcial Ceolin
Mikami,Adriana Yatiem
Olive,Lopes
author_role author
author2 Bueno,Adeney de Freitas
Pomari-Fernandes,Aline
Bortolotto,Orcial Ceolin
Mikami,Adriana Yatiem
Olive,Lopes
author2_role author
author
author
author
author
dc.contributor.author.fl_str_mv Queiroz,Ana Paula de
Bueno,Adeney de Freitas
Pomari-Fernandes,Aline
Bortolotto,Orcial Ceolin
Mikami,Adriana Yatiem
Olive,Lopes
dc.subject.por.fl_str_mv Arrhenotokous parthenogenesis
Optimal number
Phenological stages
Preimaginal conditioning
topic Arrhenotokous parthenogenesis
Optimal number
Phenological stages
Preimaginal conditioning
description ABSTRACT We evaluated the influence of host preference, mating, and release density on Telenomus remus (Nixon, 1937) (Hymenoptera: Platygastridae) parasitizing eggs of Spodoptera frugiperda (Smith, 1797) (Lepidoptera: Noctuidae). First, we tested host preference of T. remus (free choice test) offered a choice between eggs of Corcyra cephalonica (Stainton, 1865) (Lepidoptera: Pyralidae) and S. frugiperda. Parasitism capacity and host preference (S. frugiperda) of T. remus reared on either of the two hosts did not differ. Secondly, we evaluated the influence of mating behavior of T. remus females on its parasitism. Only the offspring sex ratio differed between treatments, indicating that the species reproduces by parthenogenesis of the arrhenotoky type. Finally, we evaluated the influence of release density on T. remus parasitism. This was tested by releasing different numbers of the parasitoid per S. frugiperda egg using T. remus reared for different numbers of generations on C. cephalonica eggs. The regression analysis between percentage of parasitism and density of released T. remus females showed a quadratic effect for all tested parasitoid generations (F35, F40, and F45) with maximum parasitism from 65.07% to 71.69%. Our results allow the conclusion that (a) T. remus prefers S. frugiperda eggs, regardless of the host on which this parasitoid was reared, showing no preimaginal conditioning; (b) Mating does not affect the number of eggs parasitized by T. remus or the development of its offspring; and (c) The optimal T. remus release density when reared on C. cephalonica is between 0.133 and 0.150 females/S. frugiperda.
publishDate 2017
dc.date.none.fl_str_mv 2017-01-01
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
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dc.identifier.uri.fl_str_mv http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262017000100086
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262017000100086
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 10.1016/j.rbe.2016.12.004
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv text/html
dc.publisher.none.fl_str_mv Sociedade Brasileira De Entomologia
publisher.none.fl_str_mv Sociedade Brasileira De Entomologia
dc.source.none.fl_str_mv Revista Brasileira de Entomologia v.61 n.1 2017
reponame:Revista brasileira de entomologia (Online)
instname:Sociedade Brasileira De Entomologia (SBE)
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instname_str Sociedade Brasileira De Entomologia (SBE)
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reponame_str Revista brasileira de entomologia (Online)
collection Revista brasileira de entomologia (Online)
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