Wasn’t sure who you were …
… but I knew I was going to like you the moment I saw you eating a wasp!
Looked you up and you are a Robberfly – (Promachus hinei)
http://www.insectidentification.org/insect-description.asp?identification=Robberfly
It has been hanging around the patio and garden border all summer.
Fun little bugger! Today, it was on the birdbath.