Beet armyworm
serious pest in greenhouses, where it feeds on ornamental plants such as chrysanthemum, gerbera, roses and potted plants. In both the greenhouse and the field [...] during the day and is active only at night. The forewings are grey-brown suffused with a dark brown or black. The head and thorax are brown and the abdomen [...] caterpillars . Their colour gradually changes to yellow, green, brown or even black. The colour and pattern of the caterpillars is highly variable and depends