There are three forms of Bt on the market. Each has its own target pest. One is for general use against all caterpillars, one is for Colorado Potato Beetles, and the other is used for killing mosquitoes.
There are three forms of Bt on the market. Each has its own target pest. One is for general use against all caterpillars, one is for Colorado Potato Beetles, and the other is used for killing mosquitoes.