Other Common Names
Fruit tree red spider mite
Synonyms and other taxonomic changes
=Metatetranychus ulmi Koch, Paratetranychus pilosus Zacher
Adult female 0.35 mm. Male 0.30 mm
It attacks many crops and ornamentals, limited to perennial trees and shrubs. Can be a serious pest of fruit trees. Most commonly a problem on apple, pear, plum, prune and cherry,
Three immature forms (the larva, protonymph and deutonymph). Overwinters as eggs.
Native to Europe. Introduced into the Pacific Northwest in the early 1900s, first recorded in Oregon in 1911