Corn rootworm
January 1, 1970
present in many European countries, including Italy, where it is widespread in the maize-growing areas in the north. Maize is the only crop in which high [...] Life cycle and appearance In Europe, the western corn rootworm produces a single generation each year. The pest overwinters in the soil in the egg stage [...] both larval and adult feeding, although it is the former that causes the most extensive damage. The larvae feed on the rootlets and dig tunnels in the larger