Sunday, October 24, 2010

the eyes have it


current image

Yes, this is pretty much almost a second pair of huge eyes on the top of this mayfly's head, called "turbinate eyes." Given they live for only 24 hours, can you think of why natural selection may have favored the evolution of this trait?

taken by Laurie Knight, Tonbridge, Kent, UK, Turbinate eyes of male mayfly (10x)
Check out another nice photo of this other-worldly morphology here.

AY

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