A revised classification of the jumping plant-lice (Hemiptera: Psylloidea) Author Burckhardt, Daniel Author Ouvrard, David text Zootaxa 2012 3509 1 34 journal article 44289 10.5281/zenodo.209825 565e26ec-408a-414f-bd9b-e17df745aa30 1175-5326 209825 16A98DD0-D7C4-4302-A3B7-64C57768A Pachypsyllinae Pachypsyllini Crawford, 1914: 106. Diagnosis: Tuthill (1943b), White and Hodkinson (1985). Celtisaspis Yang & Li, 1982: 183 , 197; type-species: Celtisaspis sinica Yang & Li, 1982 , by original designation. Pachypsylla Riley, 1885: 71 ; type-species: Psylla venusta Osten-Sacken, 1861 , by subsequent designation of Crawford (1914); (= Pachypsylla ( Blastophysa )) Tetragonocephala Crawford, 1914: 107 ; type-species: Tetragonocephala flava Crawford, 1914 , by original designation and monotypy.