Spider mites and other mites
rapidly infest greenhouse and field crops, feeding on plant cells and causing leaf discoloration, reduced photosynthesis and lower yields. Their fast reproduction [...] result in discolored or speckled leaves, stunted growth, and in severe cases, leaf drop or death of the plant. Damage symptoms are important for early detection [...] spots and discoloration on the leaves. Some species induce the formation of leaf gall. Infested fruits can show yellow or brown spots or can be distorted