Authors: CHAN JR., HARVEY T.; HANSEN, JAMES D.; TAM, STEPHEN Y. T.

Source: Journal of Economic Entomology, Volume 83, Number 5, October 1990 , pp. 1954-1958(5)

Publisher: Entomological Society of America

Abstract:

The effects of larval diets with different protein sources were investigated on the development of the Mediterranean fruit fly, Ceratitis capitata (Wiedemann). Casein, corn hydrolysate, soy protein, soy hydrolysate, yeast hydrolysate, lactoalbumin, lactoalbumin hydrolysate, and wheat gluten were tested as replacements for torula yeast. Flies raised on soy hydrolysate had the highest pupation (63%), pupal weight (11.2 mg), days to pupation (9.1 days), and least percentage eclosion (92.8%). Larvae failed to pupate when fed the corn hydrolysate diet. Pupal weight increased with protein levels, fitting to the regression model y = 5.5(1nx) ,; after a rapid increase, pupal weight leveled off with further increases beyond 5% dietary protein. Protein source and protein concentration affected pupal color; anomalous white pupae resulted from larvae reared on diets containing casein, soy protein, and lactoalbumin at a protein concentration of 3.6%. Increasing the dietary levels of casein, soy protein, and lactoalbumin above 3.6% resulted in normal brown pupae.

Document Type: Research article

Publication date: 1990-10-01

More about this publication?

• Journal of Economic Entomology is published bimonthly in February, April, June, August, October, and December. The journal publishes articles on the economic significance of insects and is divided into the following sections: apiculture & social insects; arthropods in relation to plant disease; forum; insecticide resistance and resistance management; ecotoxicology; biological and microbial control; ecology and behavior; sampling and biostatistics; household and structural insects; medical entomology; molecular entomology; veterinary entomology; forest entomology; horticultural entomology; field and forage crops, and small grains; stored-product; commodity treatment and quarantine entomology; and plant resistance. In addition to research papers, Journal of Economic Entomology publishes Letters to the Editor, interpretive articles in a Forum section, Short Communications, Rapid Communications, and Book Reviews.
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