0W^^ 



VOL. IV. 



BROOKLYN, MSY. 1888. 



NO. 2. 



Preliminary Survey of the CICADiEA of the United States. 



By p. R. Uhlek. 



In bringing together materials for a list of the Homoptera of North 

 America it has become necessary to refer the species hitherto placeil in 

 the old genus C/an/a to the genera lately defined by the labors of Dr. 

 Stal, Mr. Distant, and others. These species are comparatively numerous 

 and together form a fine assemblage, including representatives of groups 

 which occur in the neotropical, nearctic, and patearctic regions. 



Tettigia, represented thus far in North America by only a single 

 species, is an old world type which here is closely confined to the great 

 coastal plain that stretches along the continent Irom the vicinity of New 

 York city to Southern Texas. This neat species, first described by Say 

 from Eastern Pennsylvania and New Jersey, spreads throughout the whole 

 length of the Atlantic border, and passing along the Gulf coast across 

 Texas enters the province of Tamaulipas, Mexico. It thus passes through 

 several climatal areas, in all of which it preserves much the same size, 

 proportions, and pattern of marking. 



The genus Fidicina, distinguished by the large and strong neo- 

 tropical species, such as /^. Wf//"/;///'*'/'*?, L. , fails to appear within the 

 limits of the United States, but in its stead are found several large and 

 vigorous forms of the true genus Cicada, of which the most conspicuous 

 example is the beautiful C. dorsa/a, Say. A multitude of smaller forms. 

 many of which are built after a pattern similar to that of the Thirteen-year 

 Cicada, find a home in most par-ts of the country extending from Southern 

 Canada west to the Pacific coast, and thence to Lower California. This 



