2009 journal article
NEW STATE RECORDS OF TREEHOPPERS (HEMIPTERA: MEMBRACIDAE) FOR DELAWARE, MARYLAND, MISSISSIPPI, PENNSYLVANIA, AND WEST VIRGINIA
PROCEEDINGS OF THE ENTOMOLOGICAL SOCIETY OF WASHINGTON, 111(3), 734–738.
Abstract New state records are presented for 27 species of North American treehoppers (Membracidae) as follows: Delaware (21 spp.), Maryland (3), Mississippi (1), Pennsylvania (2), and West Virginia (1).