Biochemical changes in alimentary canal due to food habits in certain moths & larva of lepidopteran insects
Keywords:
Leucinodes orbonalis (brinjal fruit & shoot borer), Heliothis armigera (cotton bollworm), Chilo partellus (Maize stem borer), host preference, deterrentAbstract
Insect feed many different kinds of food including brinjal, cotton & maize plant phloem and xylem sap, plant leaves, root, stem and fruits. There is no typical insect alimentary canal. Nevertheless, there are similarities in the structure of the alimentary canal in all insects and nearly all must digest some of the same complex molecules, such as proteins, lipids and carbohydrates. In every insect alimentary canal three regions can be identified morphologically and physiologically like foregut or stomadeum, the midgut or mesenteron, and the hindgut or proctodium. It is reviewed that the biochemical observation made on the alimentary canal of three moth’s larvae reveals that the amount of moisture contents, proteins, carbohydrates and lipids have significant correlations to preferences.
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