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Feeding responses of eastern spruce budworm larvae to sucrose and other carbohydrates
P J Albert1, C Charley, F Hanson
1Department of Biology, Concordia University, 7141 Sherbrooke St. W., H4B 1R6, Montreal, Quebec, Canada.
Abstract:
Spruce budworm larvae reared on an artificial diet were tested for preference of twelve carbohydrates over a water control. A strong preference for sucrose was seen, followed by fructose, inositol, and glucose. Male and female larvae do not differ in their responses to sucrose. The behavioral threshold for sucrose is at 10(-4) to 10(-3) M, with a peak response in the range of 0.01 to 0.05 M sucrose.
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