Aug 02, 2013 - 03:37 PM
Best liquid spray to use against Millipedes is either Talstar or Bifen. This is because they originate outdoors and this is where you have to treat. Treat the entire yard, and especially up against the outside perimeter of the home, under firewood, rocks, mulch, etc. You will need a good sprayer to apply these products. Mix it at 1 oz of chemical to 1 gallon of water. Spray liberally and wet everything down. This should kill them.