Red spider mite

The Red spider mite (Tetranychus urticae), also known as the two-spotted spider mite is one of many species of plant-feeding mites found in dry environments, and generally considered a pest. It is the most widely known member of the family Tetranychidae or spider mites.

During the summer, T. urticae has a greenish brown appearance with two darker spots, but as winter approaches it gains a strong red color.

Symptoms
A pale mottling is visible on the upper surface of the leaves. Tiny mites can be found on the underside.

Chemical
Spray thoroughly with derris.

Prevention
Mist the leaves regularly with plain water.