Competition between Catolaccus grandis (Hymenoptera: Pteromalidae) and Bracon vulgaris (Hymenoptera: Braconidae), parasitoids of the Boll Weevil

dc.contributor.authorRamalho, Francisco de Sousa
dc.contributor.authorSilva, Ana Maria Camêlo da
dc.contributor.authorZanuncio, José Cola
dc.contributor.authorSerrão, José Eduardo
dc.date.accessioned2019-06-04T19:45:10Z
dc.date.available2019-06-04T19:45:10Z
dc.date.issued2007-05
dc.description.abstractThe competition between populations of the parasitoids C. grandis and B. vulgaris was studied using larvae of Euscepes postfasciatus (Fairmaire) as an alternative host. A series of biological parameters was observed and related to the competitive abilities of both parasitoid species. They were capable of colonizing and maintaining their populations regardless of host location. The population growth of C. grandis and B. vulgaris, based on fecundity was not affected by the competition. The parasitism and survivorship to the adult stage were affected by competition, except when the host was located at the bottom of the rearing cage. C. grandis performed better than B. vulgaris independently of the competition and host location, but it did not exclude the other species.en
dc.description.abstractÉ importante que se determinem as interações entre esses parasitóides e o seu efeito em programas de controle biológico dessa praga com os mesmos. A competição entre os parasitóides C. grandis e B. vulgaris foi estudada, utilizando-se larvas de Euscepes postfasciatus Fairmaire como hospedeiro alternativo. A fecundidade de C. grandis e B. vulgaris baseada na produção de ovos, não foi afetada pela competição, mas o parasitismo e a produção de adultos desses parasitóides foram afetados pela competição, exceto quando o hospedeiro se encontrava na base da caixa de criação. Independentemente da competição e da localização do hospedeiro, C. grandis apresentou melhor desempenho que B. vulgaris, mas não excluiu as populações da outra espécie de parasitóide.pt-BR
dc.formatpdfpt-BR
dc.identifier.issn1678-4324
dc.identifier.urihttp://dx.doi.org/10.1590/S1516-89132007000300002
dc.identifier.urihttp://www.locus.ufv.br/handle/123456789/25708
dc.language.isoengpt-BR
dc.publisherBrazilian Archives of Biology and Technologypt-BR
dc.relation.ispartofseriesv. 50, n. 3, p. 371- 378, mai. 2007pt-BR
dc.rightsOpen Accesspt-BR
dc.subjectBiological controlpt-BR
dc.subjectAnthonomus grandispt-BR
dc.subjectCompetition between parasitoidspt-BR
dc.titleCompetition between Catolaccus grandis (Hymenoptera: Pteromalidae) and Bracon vulgaris (Hymenoptera: Braconidae), parasitoids of the Boll Weevilen
dc.typeArtigopt-BR

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