Some are labeled for stable and house flies which are in the same fly family as face flies, but passage of the ingredient into fresh manure has not been proven to be an effective face fly larvicide.
doxycycline from mexico Dingley SD, Polyak E, Ostrovsky J, Srinivasan S, Lee I, Rosenfeld AB, Tsukikawa M, Xiao R, Selak MA, Coon JJ et al.
