I don't kill flies.... at least not where I live. The logic being that so long as I leave the fly to it's own business, it's prodigy won't be flies that have moved in due to a gap in territory and therefore will at least slow any spread of disease. My fly's linage also seem to behave more like bumblebees. Don't swat at them and they just do their thing.,. also.. they eat my spit when I spit while smoking a stogie. The flies may never know it, but I have a trusting bond with them now. It's kinda similar to the alliance I have with the wasps that live in my backyard. BE ONE WITH NATURE OK!? I know, easily said when you aren't tending to horses, pigs, cows, etc... everyday.
Is it though?