Data/hora: 13/06/2024 01:24:16

Provedor de dados: | 3
País: | Brazil
Título: | Selection of parasitoids of the genus Trichogramma (Hymenoptera: Trichogrammatidae) and parasitism at different eggs ages of Duponchelia fovealis (Lepidoptera: Crambidae)
Autores: | Paes, João Paulo Pereira; Lima, Victor Luiz Souza; Pratisolli, Dirceu; Carvalho, José Romário de; Bueno, Regiane Cristina Oliveira de Freitas.
Data: | 2018-07-01
Ano: | 2018
Palavras-chave: | Biological control; Egg parasitoid; Parasitism percentage; European pepper moth; Host age.
Resumo: | The European pepper moth Duponchelia fovealis (Zeller, 1847) (Lepidoptera: Crambidae), despite being among the principal pests of strawberries in Brazil. However, biological control methods are rarely documented for this pest. In the current study, the goal was to select promising Trichogramma strains to enable the control of D. fovealis and to determine the acceptance of different ages of host eggs by the parasitoid. In the first bioassay, evaluations were done on the biological parameters of five strains of Trichogramma pretiosum Riley and one of Trichogramma galloi Zucchi (Hymenoptera: Trichogrammatidae). The best performance came from the strains, Tp18 (T. pretiosum) and Tg (T. galloi), showing parasitism and viability higher than 50 and 90%, respectively. Another bioassay revealed the acceptance of both these species (Tp18 and Tg) for different ages of D. fovealis eggs. All host ages were accepted by T. pretiosum (Tp18) and T. galloi, with a preference for younger eggs (65% parasitism). Adult emergence, number of individuals per egg and sex ratio revealed no significant differences with respect to the host age. The current study provides pertinent data on the selection and performance of Trichogramma species on D. fovealis eggs of different ages.
Tipo: | Info:eu-repo/semantics/article
Idioma: | Inglês

Identificador:

http://periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/42216

10.4025/actascibiolsci.v40i1.42216

Editor: | Universidade Estadual De Maringá

Relação:

http://periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/42216/pdf

http://periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/downloadSuppFile/42216/17849

http://periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/downloadSuppFile/42216/17851

Formato: | application/pdf

Fonte:

Acta Scientiarum. Biological Sciences; v. 40 (2018): Publicação Contínua; e42216

Acta Scientiarum. Biological Sciences; v. 40 (2018): Publicação Contínua; e42216

1807-863X

1679-9283

Fonte:

Direitos autorais 2018 Acta Scientiarum. Biological Sciences

http://creativecommons.org/licenses/by/4.0