1. Description of a new species of Wolfniana and new records of Rotigonalia (Hemiptera: Cicadellidae: Cicadellinae) from the state of Amazonas, Brazil
2. A monographic study of the North American species of the subfamily Gyponinae (Homoptera – Cicadellidae) exclusive of Xerophloea.;DeLong;The Ohio State University Graduate School Studies, Contributions in Zoology and Entomology,1942
3. New species of Gypona and Polana (Homoptera: Cicadellidae – Gyponinae) from Central and South America.;DeLong;Brenesia,1979a
4. Studies of the Gyponinae with six new species of Polana (Homoptera: Cicadellidae).;DeLong;Proceedings of the Entomological Society of Washington,1979b
5. New species of Polana (Homoptera: Cicadellidae: Gyponinae) from Brazil and Peru.;DeLong;Brenesia,1984