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Dalton, D.T., Hilton, R.J., Kopp, D.D. and Walton, V.M. 2020. Vouchers for treehoppers (Hemiptera: Membracidae) collected in Benton, Josephine, and Yamhill Counties, Oregon. Catalog: Oregon State Arthropod Collection. 4, 1 (Mar. 2020). DOI:https://doi.org/10.5399/osu/cat_osac.4.1.4650.