Aspectos alimentares e de criação de Bradysia hygida Sauaia & Alves (Diptera, Sciaridae) em laboratório

Aspects on alimentation and rearing of Bradysia hygida Sauaia & Alves (Diptera, Sciaridae) in laboratory

Iara S. Joachim Bravo Maurílio A. R Alves Fernando S Zucoloto Luiz A. M Andrade Sobre os autores

Resumo

In nature, the Sciaridae live in moist and shady places, where exists vegetable material in decomposition. It is very dificult to determine the proper Sciaridae's alimentary habit and then, it is dificult, also, to rear Sciaridae species in laboratory. To improvement the Bradysia hygida rearing, the objectives of this research were to analyse the nutritive value of mucuna bean foliage for the larves, to verify the role of the ground (as larvae substrate and in diet composition) and also to verify the possibility of ground substituition by another kind of substrate. Two kinds of sand were employed in the place of the ground and three diets, free of ground, were prepared. The parameters analysed were: duration of the life cicle, porcentage of emergence, egg production by female and adult size. The results showed that the mucuna bean foliage have a good nutritive value for B. hygida rearing; the ground, as substrate, can be substituted by any of the sands and the ground, in the diet, is also dispensable. The alimentary habits of Sciaridae is discussed.

Diptera; Sciaridae; Bradysia hygida


Diptera; Sciaridae; Bradysia hygida

Aspectos alimentares e de criação de Bradysia hygida Sauaia & Alves (Diptera, Sciaridae) em laboratório

Aspects on alimentation and rearing of Bradysia hygida Sauaia & Alves (Diptera, Sciaridae) in laboratory

Iara S. Joachim BravoI; Maurílio A. R. AlvesI; Fernando S. ZucolotoI; Luiz A. M. AndradeII

IDepartamento de Biologia, Universidade Estadual de São Paulo, 14040-030 Ribeirão Preto, São Paulo, Brasil

IIDepartamento de Morfologia, Universidade de São Paulo, São Paulo, Brasil

ABSTRACT

In nature, the Sciaridae live in moist and shady places, where exists vegetable material in decomposition. It is very dificult to determine the proper Sciaridae's alimentary habit and then, it is dificult, also, to rear Sciaridae species in laboratory. To improvement the Bradysia hygida rearing, the objectives of this research were to analyse the nutritive value of mucuna bean foliage for the larves, to verify the role of the ground (as larvae substrate and in diet composition) and also to verify the possibility of ground substituition by another kind of substrate. Two kinds of sand were employed in the place of the ground and three diets, free of ground, were prepared. The parameters analysed were: duration of the life cicle, porcentage of emergence, egg production by female and adult size. The results showed that the mucuna bean foliage have a good nutritive value for B. hygida rearing; the ground, as substrate, can be substituted by any of the sands and the ground, in the diet, is also dispensable. The alimentary habits of Sciaridae is discussed.

Key words: Diptera, Sciaridae, Bradysia hygida

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AGRADECIMENTOS. Agradecemos o apoio do Dr. Heni Sauaia, responsável pelo laboratório de Biologia Celular, Departamento de Morfologia (FMRP-USP), onde este trabalho foi realizado; ao Dr. Gerson Mucillo, (FFCLRP-USP), pela orientação na parte estatística e ao CNPq, pelo suporte financeiro (PIG V).

Recebido em 17.X.1991; aceito em 25.XI.1993.

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Datas de Publicação

  • Publicação nesta coleção
    24 Jul 2009
  • Data do Fascículo
    1993

Histórico

  • Aceito
    25 Nov 1993
  • Recebido
    17 Out 1991
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