On prend plus de mouches avec du miel qu’avec du vinaigre = More is done by kindness than by harshness.
Take any of the mouches (penny boats) going up the Saône to Vaise station.
For short sails on the Saône the Bateaux Mouches are very convenient, page 31.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "mouches" in a variety of sentences. We hope that you will now be able to make sentences using this word.