Literature

Authors	Year	Title
D. M. DeLong, Freytag P. H.	1975	Studies of the Gyponinae: A new genus, Hecalapona, and thirthy-eight new species
D. M. DeLong, Freytag P. H.	1972	Two New Subgenera and Two New Species of Gyponana (Homoptera: Cicadellidae)
D. M. DeLong, Freytag P. H.	1969	Studies of the World Gyponinae (Homoptera: Cicadellidae): A Synopsis of the Genus Clinonaria
D. M. DeLong	1967	Studies of the Gyponinae : Two New Genera, Chilenana and Chilella (Homoptera: Cicadellidae)
D. M. DeLong, Freytag P. H.	1967	Studies of the Gyponinae : Two New Genear, Chilenana and Chilella (Homoptera: Cicadellidae)
D. M. DeLong, Freytag P. H.	1966	Studies of the Gyponinae : A Synopsis of the Genus Hamana Delong (Homoptera: Cicadellidae)
D. M. DeLong, Freytag P. H.	1966	Studies of the Gyponinae : a Synopsis of the Genus Acusana Delong (Homoptera: Cicadellidae)
D. M. DeLong, Freytag P. H.	1963	Studies of the Gyponinae. 2, A New Genus– Zonana (Homoptera: Cicadellidae)
D. M. DeLong, Freytag P. H.	1963	Studies of the Gyponinae. 1, The Genus Marganana Delong (Homoptera: Cicadellidae)
P. H. Freytag	2015	Four new genera and nine new species related to the genus Hecalapona (Hemiptera; Cicadellidae: Gyponinae)
P. H. Freytag	2013	A new leafhopper genus, Hirsutapona, including nineteen new species from Central and South America (Hemiptera: Cicadellidae: Gyponinae)
P. H. Freytag	2012	A new genus Hyperapona, including fourteen new species (Hemiptera: Cicadellidae: Gyponinae)
P. H. Freytag, DeLong D. M.	1968	Corrective Note on Gypona Decorata Fowler