References & Sources  -  September 12, 1998

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Why are so many bumblebees male?

The puzzling excess of male bumblebees may arise from reproductive economics and the tendency of males to mature first.

 

References:

Beekman, M., and P. van Stratum. 1998. Bumblebee sex ratios: why do bumblebees produce so many males? Proceedings of the Royal Society of London B 265(Aug. 22):1535.

 

Sources:

Madeleine Beekman
University of Amsterdam
Institute for Systematics and Population Biology
Kruislaan 320
1098 SM Amsterdam
Netherlands

From Science News, Vol. 154, No. 11, September 12, 1998, p. 168. Copyright © 1998 by Science Service.

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