VOLUME 99 739 Behaviour Vol. 99 (1986) pp. 1-21 FORAGING PATH SELECTION IN BUMBLEBEES: HINDSIGHT OR FORESIGHT? ROBERTA LYNN SOLTZ Department of Ecology and Evolutionary Biology, University of California, Irvine, California, U.S.A. In orescence richness and density did not effect the magnitude or variation in magnitude of the turn- ing angles between in orescences in the paths of foraging bumblebees. The pooled data indicated that bumblebees tended to move straight through the Vicia patch regardless of raceme density. The angular distributions from the eld data were similar to those derived from a computer model in which consumers just visited the nearest in orescences provided that they revisited few owers. These results imply that the foraging paths of bumblebees may be determined, in part, by a tendency to visit nearest in orescences. The distribution of turning angles from individual rather than pooled data, however, suggest that active selection of in orescences with between two and six owers may also play a role in determining the for- aging path. I found no evidence for area-restricted foraging. This may be due to the heterogeneity of the natural resource patches. Behaviour Vol. 99 (1986) pp. 22-45 HOME RANGE SIZE,
Behaviour – Brill
Published: Jan 1, 1999
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