Female 6-10 mm long. Male 5-7 mm.
native to Eurasia; MA-ON-ND-IL-MD(1)
Corn fields and surrounding habitats
Ostrinia nubilalis, the European corn borer
overwinters as a larva inside its host, the corn borer. Adults may live 7-10 days under ideal conditions
Palearctic species introduced in NA to control the European corn borer (Ostrinia nubilalis
Introduced repeatedly from 1927 through 1940.