Corn earworm
around 18 mm and have a slightly shiny brown colour. The adults have a brown-coloured body, with a wingspan of 35 to 40 mm and a dark stripe on the side [...] period of two to three weeks, developing a greyish colour and a black cephalic capsule in the first stage, but later adopting a variety of colours such [...] the ground to bury itself around 10-12 cm deep. This prepupal stage takes one to two days. It then pupates for ten to fourteen days, or three to five months