Identification of exotic pest and Australian native and naturalised species of Tetranychus (Acari: Tetranychidae) Author SEEMAN, OWEN D. Author BEARD, JENNIFER J. text Zootaxa 2011 2011-07-08 2961 1 1 72 http://dx.doi.org/10.11646/zootaxa.2961.1.1 journal article 10.11646/zootaxa.2961.1.1 1175­5334 10095728 Tetranychus pacificus McGregor, 1919 ( Fig. 27 ) (Rhamnceae). 4 males , reared on Apple Malus domestica (Rosaceae) , Yakima, Washington State , vii–viii.1952 , E.J. Newcomer. All material in USNM. McGregor (1919) states that the type specimens were deposited at USNM, but USNM have no records of ever receiving the specimens. 2 females , Milton-Freewater, Oregon , 19.vii.1956 , S. Capizzi, ex Strawberry Fragaria (Rosaceae) . At Oregon State University Collection.