Hi Teri, sorry I'm not sure what segment of what program you are referring to. however floating row covers over the plants could be used to keep the moths from laying eggs. there are los hot pepper sparys sold as insect repellants but not sure how well they work for tomato horn worms. otherwise it is the use of Bt products sold as Dipel or Caterpillar attack while caterpillars are small. it does not work before caterpillars arrive. or as yucky as it sounds just pick them off. good luck,