
Natural Insecticides for Potato Beetle
Bacillus Thuringiensis (BT) - BT are bacteria that come in powder form (used as a dust or a foliar spray) and kill only leaf-eating caterpillars. However, there is a new metabolite form of BT that achieves excellent control of the Colorado potato beetle when the beetle is in its larval stage.
Neem Based Insecticides – Insecticides using Neem oil as a base will kill Colorado Potato Beetles.
Pyrethrin Insecticides – Insecticides with the active ingredient being pyrethrin will kill these beetles. Usually two applications of pyrethrum, applied 3 to 4 days apart, will control the beetles.
Synthetic Insecticides for Potato Beetle
Pyrethroid Insecticides - There are a number of synthetic pyrethroid based insecticides that are effective in killing Colorado Potato Beetles