This fly, the noon fly (Mesembrina meridiana), lays its eggs in cow dung, and its larvae eat other flies' larvae, so I suppose you could say it is not particularly well-mannered. But it does have bling! There's a lesson there somewhere.

Olympus Stylus 1s, 42mm, ISO200, f5.6, 1/60s

Olympus Stylus 1s, 200mm, ISO200, f4, 1/200s
Rather disgusting creatures. Just my opinion :)
Big fly. Clastically.