This paper deals with the description of the protonymph and deutonymph as well as a re-description of the female and male of Neoseiulus bicaudus Wainstein, 1962 collected from Chicory foliage, Cichorium intybus L. (Asteraceae), infested with two spotted spider mite (Tetranychus urticae Koch, Tetranychidae), Ganjnameh, Hamedan, Hamedan province, Iran.