Abstract

MORALES, Pedro et al. LARVAL SURVIVAL OF Spodoptera frugiperda Smith WITH ARTIFICIAL DIET UNDER LABORATORY CONDITIONS. Agronomía Trop. [online]. 2010, vol.60, n.4, pp.375-380. ISSN 0002-192X.

The use of artificial diets is essential for the mass-rearing of fall armyworm Spodoptera frugiperda Smith (Lepidoptera: Noctuidae) for uses in investigation of biological enemies. We evaluated the effect of artiÞ cial diets in the survival of larvae of S. frugiperda to determine its quality as substrate and to compare it with the standard diet with white beans (Phaseolus vulgaris L.). Two tests were realized: in the Þ rst one, we evaluated 14 diets with white beans, wheat ß our, bran, wheat germ, integral ß our, corn meal and rice and fresh grass, with two doses of water each. In the second test, promissory diets of the previous test were evaluated: white beans, white beans with water, germ of wheat and bran. In this last test no signiÞ cant differences between treatments as far as survival of larvae and longevity of the same were detected. The diets with wheat germ and bran with water, in the used compositions can serve as alternatives to the diet used in the laboratory with white beans for the establishment of massive young of the armyworm for the accomplishment of tests.

Keywords : Spodoptera frugiperda Smith; mass rearing; fall armyworm; wheat germ; bran; Phaseolus vulgaris L.

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