Unknown fly light body

Unknown fly light body

Observation - Unknown fly light body. Description: Unknown fly spotted while taking part in the 2012 Garden bioblitz. It had a light-coloured, bronze body and was rather small. I'm not very good at fly ID so any help with discerning the species would be most welcome.

Unknown fly spotted while taking part in the 2012 Garden bioblitz. It had a light-coloured, bronze body and was rather small. I'm not very good at fly ID so any help with discerning the species would be most welcome.