Tuesday, August 11, 2009

eyes in the back of your head

another close up of the hover fly. What interested me was the little shield between the two compound eyes with three little raised spots. These are called ocelli (from the latin ocelus or eye). Their function is a bit of a mystery, but they may be associated with the fly's ability to orientate itself in 3 dimensions when flying (see link). Isn't life interesting.

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