The reference to photographing flowers in a way that mimics the way that
bees see them is:
McCrea, K. D. and M. Levy. 1983. Photographic visualization of floral
colors as perceived by honeybee pollinators. American Journal of Botany
70:369-375.
I had the reference in the bibliography of the book I'm coauthoring on
techniques for use in pollination biology, so it was easy to find.
David Inouye
University of Maryland