Northern Corn Rootworm
yellowish green in colour. They appear in late July and remain in corn fields until first frost. Females lay their tiny, white eggs in the soil at the [...] corn in North America, with losses and management expenditures totaling over 1 billion dollars. In Eastern Canada, the northern corn rootworm is the most [...] barberi populations are most common in fields under crop rotation, while univoltine insects predominate in fields where corn is replanted every year. The rootworms