CHW
- How did you find PF?
- by looking at phys.org. I've been a science nerd most of my life and once I found phys I checked it daily or more. It's my kind of site!
In regards the question of house flies vs barn flies unless there is considerable distance between the two most of the fly species you will find in the house you will find in the barn as well. Horse flies are just one specie found around livestock, there are others as well.
