Pests and diseases are just like nightmare for the entire gardeners who work hard to make their gardens look beautiful with flowers or who work hard to grow vegetables to have the crunchiest and juiciest ones to enjoy the meal that they will get from their own grown vegetables. And no doubt else than being fresh the happiness that one feels while eating the self grown vegetables is something like what we feel after getting a big achievement.
So among all pests sometimes especially in vegetable gardens many gardeners find caterpillar that are frustrating enough. They really turn your leave to look like French cheese having holes everywhere around. They even make holes in your vegetables and make them useless for you. There are many chemicals commercially available in markets that will easily get you free of these critters but the problem is that they will harm the friendly bugs too and moreover after spraying those chemicals