Doomed Tachinid (Entomophthora muscae)
This fly has been turned into a zombie. The white fluffy bands between the tergites are the pathogenic fungus Entomophthora muscae expressing itself. It forced the fly to climb to a high breezy location, raise it's wings and abdomen, then die.
''Entomophthora muscae'' is a species of pathogenic fungus in the order Entomophthorales which causes a fatal disease in flies. It can cause epizootic outbreaks of disease in houseflies and has been investigated as a potential biological control agent.