4 GEOSTERAL CATALOGUE, OF THE HOMOPTERA 



Bibliography oj the Cicadelloidea in which authors are arranged 

 alphabetically, and their works chronologically under the author's 

 name. This method of citation eliminates the necessity for a com- 

 plete literature citation in the catalogue proper, and thus saves time, 

 space, and publication costs. It is believed that the revised method 

 will cause no great inconvenience to the reader. Dr. Metcalf himself 

 advocated it under certain conditions, and it is felt that he would 

 have approved its use for his catalogues. 



The Family Idioceridae consists of 27 genera and 285 species. 

 This family may be characterized as follows : 



Wedge-shaped leafhoppers. Head short, wider than pronotum; 

 crown rounded to face without an intervening angle; ocelli on face; 

 lateral clypeal sutures extending dorsally beyond antennal ledges to 

 ocelli; clypellus expanded distally. Pronotum short. Metanotum 

 with median suture present. Forewing with appendix quite broad. 

 Abdominal apodemes often present and prominent. Male genitalia 

 with plates usually elongate and narrow; styles slender, elongate, and 

 tubular, usually unmodified at apex; connective short, usually with a 

 median anterior lobe. Usually arboreal. 



The species have been recorded from the following zoogeographical 

 regions: 70 from the Nearctic Region, 5 from the Caribbean Region, 

 43 from the Neotropical Region, 70 from the Palearctic Region, 11 

 from the Ethiopian Region, 11 from the Oriental Region, 25 from the 

 Malaysian Region, 41 from the Australian Region, 1 from the Oceanic 

 Region, and 8 from two or more regions. 



The known geographic distribution of each species is indicated by 

 superscript figures at the end of the lines, which correspond to geo- 

 graphic regions designated by the same superscript figures. In 

 general, the distribution is as gi/en by the author of the reference, the 

 country being considered the smallest unit, except in the case of 

 large countries, where states and provinces are the smallest units. 

 In the larger island groups, the individual islands are indicated wher- 

 ever possible in view of the importance of island endemism. 



D. A. Young 

 for 



Z. P. Metcalf 

 Raleigh, North Carolina 

 May 1963 



