Lepidopteran (Crambidae); larvae bore into stems and ears of corn; overwinters as larva; multivoltine.

Stem lodging, ear damage, reduced yield; affects corn and other cereals.

Worldwide in corn-growing regions (Europe, Asia, Americas, Africa).

Pheromone trapping (sexual pheromones); scouting for egg masses and larval tunnels.

Delta traps or wing traps baited with Ostrinia nubilalis pheromones.