The family ''Muscidae'' contains many non-biting (nuisance) flies and blood sucking (biting) flies. There are only two nuisance flies of veterinary importance, these are the ''Musca'' spp. and ''Hydrotaea''. | The family ''Muscidae'' contains many non-biting (nuisance) flies and blood sucking (biting) flies. There are only two nuisance flies of veterinary importance, these are the ''Musca'' spp. and ''Hydrotaea''. |