Revision of the New World leafhopper genus Neozygina Dietrich & Dmitriev (Hemiptera: Cicadellidae: Typhlocybinae: Erythroneurini) Author Dietrich, C. H. Author Dmitriev, D. A. text Zootaxa 2007 2007-05-17 1475 27 42 journal article 1175­5334 94D58D6A-8BB6-428F-BB98-91FA42CF1614 Neozygina expanda n. sp. ( Figs. 1V , 4J–K ) Diagnosis. Length of male 2.6 mm , female 3.1 mm . Closely resembling N. argentiniensis , but differing as follows: pygofer with dorsal appendage extended to apex; aedeagal shaft ( Figs. 4J, K ) in lateral view more strongly divergent from dorsal apodeme and with posterior margin evenly curved, processes formed by bifid apex strongly expanded and convergent distally. Material examined. Holotype male, ARGENTINA : La Rioja , Dept. Famatina , 10 km N Famatina , Hwy. 40, Sierra de Toro Negro , 4,450ft. , 28.9591°S , 67.4705°W , 15/ 20 October 1997 ( M.E. Irwin , F. D. Parker , S. Roig , Malaise trap , MEI 97-35) [ INHS ] . Paratype , 1 female , same data [ INHS ] . Note. The specific name refers to the expanded aedeagal apex, which distinguishes this species from other South American Neozygina .