Homoptera.

General catalogue of the hemiptera China, W.E. 1946 General catalogue of the Hemiptera China, W. E. 1945 General catalogue of the Hemiptera Metcalf, Z. P. 1927 General catalogue of the hemiptera China, W. E. 1927 General catalogue of the Hemiptera Funkhouser, W. D. 1927 General catalogue of the hemiptera Horvath, G. Year not listed Leafhoppers of Ornamental and Fruit Trees in Canada / K. G. A. Hamilton 1985 Pisces Trewavas, Ethelwynn 1947