Ralph H. Davidson
Department of Entomology, Ohio State University, Columbus, USA
Publications
(List may be incomplete)
1935
- DeLong, D.M. & Davidson, R.H. 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.
1936
- DeLong, D.M. & Davidson, R.H. 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.
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