Bibliografía por Autor
Freytag, PH
Freytag, PH. 2012. The Genera Carapona and Spinanella, Including Four New Species (Hemiptera: Cicadellidae: Gyponinae)
Freytag, PH. 1992. A New Species of the Genus Largulara (Homoptera: Cicadellidae)
Freytag, PH. 1988. Revision of the Genus Calliscarta (Homoptera, Cicadellidae, Neobalinae)
Freytag, PH. 1990. A new species of Zonana (Homoptera: Cicadellidae) from Venezuela
Freytag, PH. 2013. A New Leafhopper Genus, Hirsutapona, Including Nineteen New Species from Central and South America (Hemiptera: Cicadellidae: Gyponinae)
Freytag, PH, Ma, N. 1988. An unusual new genus and species of hecaline leafhopper from Venezuela (Homoptera: Cicadellidae)
Freytag, PH. 2018. A new genus Xuthopona (Hemiptera; Cicadellidae; Gyponinae), and fourteen new species from South America
Freytag, PH. 1989. Three New Genera and Six New Species of South American Gyponine Leafhoppers (Homoptera: Cicadellidae)r
Freytag, PH. 1991. Additions to the genus Calliscarta (Homoptera: Cicadellidae)
Freytag, PH. 2008. Nine New Species of Coronigoniella from Colombia and Peru, South America (Hemiptera: Cicadellidae: Cicadellinae)
Freytag, PH. 1989. A New Species of Graminella from Venezuela (Homoptera: Cicadellidae)
Freytag, PH. 2015. Four New Genera and Nine New Species Related to the Genus Hecalapona (Hemiptera: Cicadellidae: Gyponinae)