Needing help with corn borers
I'm trying to raise a batch of sweet corn in a 4x4 raised bed in the desert of Tucson, AZ. It was going beautifully. Tassels sprouted, silks emerged, saw a few ladybugs working on the aphids. Now, I have seen a couple little worm/caterpillar-looking varmits. They are drilling holes in my perfect little baby corns! They disgust me! I have been going out twice a day to search for them and I have practically covered the plants with diatomacious earth. Is there anything else you guys can recommend?
BR in AZ