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Name: M. B.
Status: educator
Age: 40s
Location: N/A
Country: N/A
Date: Friday, April 26, 2002

My mother is a teachers aide and would like to know what sort of experiments were used to determine that butterflies (or other insects) have colour vision?

The only experiment that I recall about insects and color focused around color preference studies. These were done years ago and I beleive they were partial conclusive. Butterflies were introduced to flowers of many colors and flowers with green petals. Each offered nectar.

The confirmation of color vision came with the visual and biochemical analysis of the eyes. They have the cone color receptors found in most organisms that see color.

A possible good site:

Steve Sample

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