​​C​aterpillars of the tomato moth (Spodoptera littoralis) are usually brownish with distinctive black spots (the black spots are sometimes absent). Some may be yellowish, blackish, or may contain yellow lines or spots on a brown body. Moths are brownish with characteristic "scratch-like" patterns on the forewings. Eggs are also covered with anal hairs and pupae are also found in earthen cells. 

tomato_moth_caterpillar.jpgTomato moth, D.Visser, ARC-VOP, Roodeplaat