Data/hora: 01/06/2024 08:43:40

Biblioteca(s): | Embrapa Meio Ambiente.
Data corrente: | 26/10/1993
Data da última atualização: | 31/05/2017
Autoria: | SA, L. A. N. de; PARRA, J. R. P.
Afiliação: | LUIZ ALEXANDRE NOGUEIRA DE SA, CNPMA; ESALQ/USP.
Título: | Natural parasitism of Spodoptera frugiperda and Helicoverpa zea (lepidoptera: noctuidae) eggs in corn by Trichogramma pretiosum hymenoptera: trichogrammatidae) in Brazil.
Ano de publicação: | 1994
Fonte/Imprenta: | Florida Entomologist, v.77, n.1, p.185-188, Mar. 1994.
Idioma: | Inglês
Conteúdo: | Natural parasitization of Spodoptera frugiperda (J.E. Smith) and Helicoverpa zea (Boddie) eggs by Trichogramma spp. occurred in all corn test plots. The highest levels occurred when corn was planted in March. Parasitism of Spodoptera frugiperda by Trichogrammapretiosum Riley was usually less than 20%, while parasitism of eggs of H. zea commonly exceeded 50%. Parasitism of singly laid eggs of H. zea was higher than eggs of S. frugiperda, which are laid in overlapping layers and protected by scales.
Palavras-Chave: | Insect; Insect parasite; Pest.
Thesagro: | Helicoverpa Zea; Spodoptera Frugiperda.
Thesaurus Nal: | biological control; corn; parasitism; Trichogramma pretiosum.
Categoria do assunto: | --
Registro original: | Embrapa Meio Ambiente (CNPMA)
Exemplares: | CNPMA - (1578-1) - UPC - AP - DD -  -  -  - DIS