Friday, September 20, 2013

It's a fly eat fly world too

Spiders eat spidersSpiders eat flies.  So far, no surprise.  But did you know that there are some flies that eat other flies?

A robber fly (Asilidae) with another fly it has just captured.
These predatory flies are commonly --and rather euphemistically -- called "robber flies".  Robber flies (Asilidae) snatch flies and other insects in flight, inject them with a mixture of paralyzing and digesting enzymes, and then consume the liquefied remains.  Thus, they are also referred to by some by the more appropriate name "assassin flies".

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