62 

 HOMOPTERA. 



CICADIDAE. 



Cicada tihicen Linn. Columbus. Common, widely 



distributed. 

 Cicada pruinosa Say. Columbus. 

 Tibicen septem decern, L. "Seventeen year cicada "^. 



Represented by different broods in various 



parts of the state. 

 Tibicen rimosa, Say (?) Probably one of the varieties 



of this species. 



MEMBRACIDAE. 



Entilia sinuata, F'ab. Columbus. Usually rare. 



Occurs on wild sunflowers and other weeds. 

 Publilia concava. Say. Columbus. Hanging Rock. 



Often abundant. Occurs in colonies on 



Helianthus and other compositae. 

 Ceresa diceros, Say. Columbus, Sandusky, Castalia, 



abundant on various plants, especially in 



woods. 

 Ceresa hubalus, Fab. Colnmbus, Castalia, Sandusky. 



Widly distributed, abundant. Often injurious 



to orchard trees. 

 Ceresa basalis Walk. (?) Medina. Fairly common in 



northern U. S. 

 Thelia bimaculata Fab. Columbus. Common on 



Black Locust. 

 Thelia uhleri, Stal. No locality. Not rare in various 



parts of northern U. S. 

 Thelia crataegi Fitch. Columbus. Usually rather 



rare. Occurs on thorn. 



Contributions from the Department of Zoology and Entomology 

 Ohio State University, No. 2. 



Thelia turriculata Emmons. "Ohio" (Kellicott vide 



Goding). 

 Thelia univittata Harr. Sandusky. 



