Northern Corn Rootworm
feed on the foliage, pollen, silks and developing kernels of corn, with the following consequences: When corn silks are cut all the way back to the ear and [...] diapause; the eggs of “semivoltine” Diabrotica barberi remain dormant in the soil for two winters. This allows the larvae to effectively skip the field’s [...] In Eastern Canada, the northern corn rootworm is the most common species found on corn. While adult Diabrotica barberi can feed on a variety of plants,