Department of Plant Protection, College of Agriculture, Bu Ali-Sina University, Hamadan, Iran.
Medicinal plants were used from past to present. Different small arthropods such as Acari were found on these plants. Therefore a study on the Acari fauna associated with some medicinal plants (Family: Asteraceae) in Hamedan region was carried out during 2008–2009. In this survey, 23 species belonging 18 genera from 15 different families of the subclass Acari were collected and identified. Two spotted spider mite (Tetranychusurticae Koch) was determined as an abundant phytophagous mite species in this study.