Domahovski, AC; Cavichioli, RR 2023. Phylogenetic analysis and revision of the leafhopper genus Acuera DeLong & Freytag (Hemiptera: Cicadellidae: Gyponini) based on morphological data ARTHROPOD SYSTEMATICS & PHYLOGENY 81 79-164 -

Freytag, PH 2018. A new genus Xuthopona (Hemiptera; Cicadellidae; Gyponinae), and fourteen new species from South America TRANSACTIONS OF THE AMERICAN ENTOMOLOGICAL SOCIETY 144 522-538 -

Freytag, PH 2013. A New Leafhopper Genus, Hirsutapona, Including Nineteen New Species from Central and South America (Hemiptera: Cicadellidae: Gyponinae) JOURNAL OF THE KANSAS ENTOMOLOGICAL SOCIETY 86 3 206-225 -

Freytag, PH 2012. The Genera Carapona and Spinanella, Including Four New Species (Hemiptera: Cicadellidae: Gyponinae) JOURNAL OF THE KANSAS ENTOMOLOGICAL SOCIETY 85 4 285-294 -

Freytag, PH 1992. A New Species of the Genus Largulara (Homoptera: Cicadellidae) TRANSACTIONS OF THE KENTUCKY ACADEMY OF SCIENCES 53 3-4 139-140 -

Freytag, PH 1989. Three New Genera and Six New Species of South American Gyponine Leafhoppers (Homoptera: Cicadellidae)r TRANSACTIONS OF THE KENTUCKY ACADEMY OF SCIENCES 50 1-2 1-8 -