Fennah, Ronald Gordon.Smith, Herbert H. (Herbert Huntington), 1851-1919.Schwarz, Herbert Ferlando, 1883-1960.Bassler, Harvey, 1883-1950.Lutz Canal Zone Expedition (1933)2005-10-062005-10-061944http://hdl.handle.net/2246/37389 p. : ill. ; 24 cm.Includes bibliographical references.1099411 bytesapplication/pdfen-USQL1 .A436 no.1265, 1944Planthoppers -- Brazil -- Classification.Planthoppers -- Panama -- Barro Colorado Island -- Classification.Planthoppers -- Peru -- Ucayali River -- Classification.Planthoppers -- Latin America -- Classification.Insects -- Brazil -- Classification.Insects -- Panama -- Barro Colorado Island -- Classification.Insects -- Peru -- Ucayali River -- Classification.Insects -- Latin America -- Classification.text