Spider mites are not classified as insects but as close relatives. Several species, adults and young, are barely distinguishable to the naked eye but may be noticed at times when they move in the sunlight. Both adults and young may be red or greenish-red. They are usually found on the underside of leaves, but general infestations feed on all parts of the plant.
They may attack all vegetables grown in the garden, but especially beans, tomatoes, and melons. They cause yellow specks and webs on the leaves. Severe injury of foliage and fruits is frequent, and in many cases defoliation may occur.
