The aerial organs of the zucchini, even squash, are susceptible to being devoured by the stage caterpillar of several more or less polyphagous Lepidoptera. These insects belong to various families, in particular the Noctuidae . Among these include Silver Y (L.) (Figure 1), Chrysodeixis chalcites (Esper) .. . We find these moths ( loopers ), and many others, in many production areas around the world where they sometimes cause considerable damage in field crops, as well as under cover.