u/Live_Kaleidoscope464

This cloud of little fruit fly-looking things appears in the same spot every year and stays there all spring summer and fall. Not sure if it’s an air current thing or what. It’s always just there in front of our back porch, about 10 ft x 5 ft and about 5 ft off the ground. Ideas of what kind of fly it is, and why the cloud is always at the same spot? We’re in Quebec.

Found while sorting stuff at my parents’