Growth and hemolymph trehalose levels of Heliothis zea larvae fed diets containing various sugars |
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| Affiliation: | 1. Evolution and Ecophysiology Group, Department of Functional and Evolutionary Entomology, Gembloux Agro-Bio Tech, University of Liège, Gembloux, Belgium;2. CNRS, ECOBIO (écosystèmes, Biodiversité, Évolution) – UMR, Université de Rennes, 6553, France;3. Department of Entomology and Nematology, The University of Florida, USA;4. Institute for Evolution and Biodiversity, University of Münster, Germany;5. Evolutionary Ecology and Genetics Group, UCLouvain, Belgium;6. United States Department of Agriculture, Chemistry Research Unit, Gainesville, USA;7. Department of Terrestrial Ecology, Netherlands Institute of Ecology, the Netherlands;8. Amsterdam Institute for Life and Environment, Vrije Universiteit Amsterdam, the Netherlands |
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| Abstract: | - 1.1. The amount of sugar required for growth of Heliothis zea larvae on a chemically defined diet was determined.
- 2.2. Larvae grew well on fructose, galactose, sucrose, trehalose and raffinose diets but not on diets containing more than 0.5% glucose.
- 3.3. A starch diet did not promote rapid larval growth.
- 4.4. Hemolymph trehalose levels in 12-day-old larvae ranged from none to 45μmoles/ml.
- 5.5. A method for analysis of hemolymph trehalose by gas chromatography is described.
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