69 



Cicadula punctifrons Fall, var atnericana VanD. 



Columbus. Sandusky. Ironton. On shrubby 



willow. 

 Alebra albostriella Fall. Columbus. 

 Dicraneura fieberi Mel. Columbus. 

 Dicraneura abnormis Columbus. 

 Empoasca sp. 

 Empoasca mali LeB. Columbus. Abundant on apple 



and many other plants. 

 Typhlocyba comes vitis Harr. Columbus. Abundant 



on grape everywhere. 

 Typhlocyba comes basilaris Say. Columbus. 



Common on grape. 

 Typhlocyba comes comes Say. Columbus. Common. 

 Typhlocyba comes maculata Gill. On sycamore. 



Columbus. 

 Typhlocyba vulnerata Say. Columbus. Abundant. 

 Typhlocyba querci ¥itch. Wauseon. 

 Typhlocyba querci var bifasciata. Columbus. 



Wauseon. Common. 

 Typhlocyba hartii G'\\\. Columbus. Rare. 

 Typhlocyba obliqua Say. Columbus. Common. 

 Typhlocyba rosae Harr. Columbus, (Weed) Common. 

 Typhlocyba trifasciata Say. Columbus. Common. 



PSYLLIDAE. 



Pachypsylla celtidis-mammae Very abundant on Hack- 

 berry. Columbus, Sandusky. 



Pachypsylla celetidis gemma Wooster, 10-2-'98. 

 (C. W. M.) 



APHIDIDAE. 



Siphonophora circumplex. Wooster, 3-16-'97. (C. 



W. M.) From Easter lilies in greenhouse. 

 Siphonophora avenae. Wooster, O, 5-26-'98. (F. M. 



W.) Winged males and young in heads of rye. 



Givens, 6-5-'98. (S. A. Powell.) On wheat 



heads in great numbers. 



