Phytoptus

Phytoptus is a genus of eriophyid mites, belonging to the family Eriophyidae. These microscopic mites are known primarily as plant pests, causing a variety of symptoms in plants, including galls, blisters, erineum patches (abnormal hair-like growths on plant surfaces), and leaf curling.

Phytoptus mites are extremely small, typically only a few hundred micrometers in length, making them difficult to see with the naked eye. They are characterized by their elongated, worm-like bodies and only two pairs of legs, a distinguishing feature of eriophyid mites compared to the more typical four pairs found in most other mite groups.

The life cycle of Phytoptus mites varies depending on the species and host plant, but generally involves several nymphal stages before reaching adulthood. They often overwinter in buds or under bud scales of their host plants. Dispersal occurs through wind, insects, or other animals.

Specific Phytoptus species exhibit host specificity, meaning they typically feed and reproduce on a limited range of plant species. Damage caused by Phytoptus mites can range from cosmetic blemishes to significant reductions in plant growth and yield, depending on the mite species, infestation level, and susceptibility of the host plant. Control measures can include horticultural oils, miticides, and promoting natural enemies.