Description: The True armyworm moth is a Lepidoptera with a 3.5-4 cm wingspan. It is a polyphagous pest, mainly attacking cultivated and wild grasses, especially rice, corn and turf.

Number of annual generations: normally, there are three generations a year, although there may be more, depending on the weather conditions

Damage: it is a very voracious species; the larvae defoliate the leaves leaving only the central vein. In corn, the attack is usually in rings, from the outer edge towards the inside of the plot.