Corn rootworm
virgifera virgifera ) is a chrysomelid beetle originating from North America, where it is regarded as the main pest of maize. Nowadays it is present in many [...] with a peak between the end of June and the middle of July. The adults may mate several times during their lifetime, and females lay an average of 400 eggs [...] feeding on the silk of the female flowers, can cause flower abortion and, in the case of heavy infestations, significantly reduce the number of seeds. During