Center for Systematic Entomology, Gainesville, Florida


Date of this Version

September 2006


Insecta Mundi, published by the Center for Systematic Entomology, is available online at Copyright © by Gnezdilov and O'Brien.


Three new genera of the family Issidae are described for species formerly included in the genus Hysteropterum sensulato: Balduza Gnezdilov and O’Brien, gen. n. (type species: Hysteropterum unum Ball 1910), Stilbometopius Gnezdilov and O’Brien, gen. n. (type species: Issus auroreus Uhler 1876), Abolloptera Gnezdilov and O’Brien, gen. n. (type species: Hysteropterum bistriatum Caldwell 1945),. The genus Tylanira Ball 1936 is redescribed. The male genitalia of Tylanira bifurca Ball 1936 is described and illustrated. Tylana ustulata Uhler 1876 is transfered to Tylanira.Hysteropterum bufo Van Duzee 1923 is transfered to Balduza gen. n. and the male genitalia of the species is described and illustrated. The subgenus Paralixes Caldwell 1945 of the genus Ulixes Stål 1861 is raised to genus - Paralixes Caldwell 1945, stat. n. A key to the issid genera of the United States is given. New data on the distribution of 7 species are given.

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