[1] It is widely used as a bio-control agent in many rice and wheat fields to control weeds.

[citation needed] Eggs are bright yellow, with pyriform basally rounded and oval tip.

Initially second instar is also yellowish, but turn to blackish brown after an hour of feeding.

Larval stages also scrap the green tissue to lower epidermis which produces holes of irregular shape.

Heavy infestations with grubs lead leaves to dried up and become brownish.