Ralph Howard Davidson

Ralph Howard Davidson (1908–1989), U.S. entomologist.

• Department of Zoology, The Ohio State University, Columbus, Ohio 4321. USA.
• Department of Entomology, Ohio State University, Columbus, USA.

(List may be incomplete)

• 25 taxon names authored by Ralph Howard Davidson

(List may be incomplete)

• DeLong, D.M. & 1931. The genus Agallia–external characters used to distinguish the species injuring economic crops. The Ohio Journal of Science 31: 377–384. Reference page. 

• DeLong, D.M. & 1933. Some new species of Eugnathodus. (Homoptera Cicadellidae). The Ohio Journal of Science 33: 55–58. Reference page. 
• DeLong, D.M. & 1933. The genus Agellus, gen. nov. (Homoptera, Cicadellidae). The Ohio Journal of Science 33: 210. Reference page. 

• DeLong, D.M. & 1934. Some new species of Cicadellidae (Homoptera) from the United States. Journal of the New York Entomological Society 42: 221–224. Reference page. 
• DeLong, D.M. & 1934. A new species of Typhlocyba (Homoptera Cicadellidae) injurious to prune in the Pacific Northwest. The Ohio Journal of Science 34: 161–162. Reference page. 

• DeLong, D.M. & 1935. Further Studies of the Genus Empoasca (Homoptera, Cicadellidae). Part III, Seventeen New Species of Empoasca from the United States and Canada. Ohio Journal of Science 35(1): 29-39. full article (PDF). Reference page. 

• DeLong, D.M. & 1936. Further studies of the genus Empoasca (Homoptera, Cicadellidae). Part IV. Eleven new species of Empoasca from the United States. Ohio Journal of Science 36(4): 225-230. full article (PDF). Reference page. 

• & Delong, D.M. 1938: Studies of the genus Empoasca (Homoptera, Cicadellidae). Part V. Twelve new species of Empoasca from the United States. Ohio Journal of Science 38(2): 90–96. Full article (PDF). Reference page. 

• & DeLong, D.M. 1939. Studies of the genus Empoasca (Homoptera, Cicadellidae). Part VI. Twenty-two new species of Empoasca from North America. Ohio Journal of Science 39(2): 110–118. Reference page.