It’s Friday. Let’s Dance, Dance, Dance Fly

Hybotid fly on a pink anther of a white rhododendron flower.

Dance fly feeding on a white rhododendron flower.

I like this note on about dance flies:

In mating swarms, males fly up and down in a sort of dance. They have captured an insect, wrapped it in silk, and hold as an offering for females. Females seem to choose the male with the most enticing offering. Sometimes a male may offer just an empty ball of silk.

There’s definitely an unwritten story there. As in what does the female do when she finds out the silk is empty? What kind of female prefers the empty ball of silk?  Is this Empid silk or are they outsourcing to Saturniids?

Intertubez folks, you have a great weekend, here or there.


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