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Biol Bull 99: 446-453. (December 1950)
© 1950 Marine Biological Laboratory
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A COMPARISON OF NUTRITIVE VALUES AND TASTE THRESHOLDS OF CARBOHYDRATES FOR THE BLOWFLY

C. C. HASSETT 1, V. G. DETHIER 1, and J. GANS 1

1 The Medical Division, Army Chemical Center, Maryland, and the Department of Biology, The Johns Hopkins University

Thirty sugars and related compounds have been tested on the blowfly Phormia regina Meigen to determine their nutritive value for this species and their effectiveness as stimuli for the tarsal receptors.

Survival tests indicated that all pentoses except fucose are utilized to some extent. Xylose and ribose are the best. The hexoses are almost uniformly good. Sorbose is the exception. Maltose is the most effectively utilized disaccharide. Sucrose and trehalose are good; melibiose, intermediate; lactose and cellobiose, poor. The trisaccharides melezitose and raffinose and the alcohol sorbitol are effective. In general the polyhydric alcohols are poor.

The stimulating effectiveness of the sugars when applied to the tarsi is as follows: disaccharides—sucrose = maltose > trehalose > cellobiose > lactose; monosaccharides—fructose > fucose = glucose = D-arabinose = sorbose > D-xylose = L-xylose = galactose = L-arabinose > mannose = ribose > lyxose.

There is no good correlation between the nutritive value of these compounds and their acceptability.




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V. G. Dethier and N. Goldrich
Blowflies: Alteration of Adult Taste Responses by Chemicals Present during Development
Science, July 16, 1971; 173(3993): 242 - 244.
[Abstract] [PDF]


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