Day 65: Cluster Fly

These insects frustratingly difficult to id with any real confidence - this is the one I'm sure we called horseflies as kids and we scared of them biting.. So I don't really know.

They're very common and widespread Pollenia genus. So I hope this is close.

#100DaysofNature Day 65: Cluster Fly - At least I hope that's what it is! @BBCSpringwatch http://t.co/871SXgC2iO pic.twitter.com/WKnBtEfwQI
— Simon Ashley (@MilouTheBrave) September 26, 2014