226 Anxals of the Carxkgie Museum. 



Genus CICADULA Zetterstedt. 



393. C. sexnotata Fallen. 



Clreensburg, May to August, October. A very common in- 

 sect on young trees. 



394. C. variata Fallen. 



(Ireensburg, August 28. In a dense wood along the creek. 



395. C. punctifrons var. americana VanDuzee. 



l%rie, Patton, July and August. On willows. 



396. C. divisa Uhler. 



Oreensburg, October 2, 1902. 



Subfam i ly TYFHL OCYBIN^. 

 Genus ALEBRA Fieber. 



397. A. albostriella Fallen. 



Greensburg, July to October. Always on oak. It is reported 

 as having been taken on ferns, rank weeds, pear, and cherry. 



Genus UICRANEURA Hardy. 



39S. D. abnormis Walsh. 



Greensburg, May 17. Taken while sweeping grass. 

 309. D. fieberi Low. 



Greensburg, June to September. On grass and small bushes. 



Genus EMPOASCA Walsh. 



400. E. smaragdula Fallen. 



Patton, July; Greensburg, August, October. Usually on trees. 



401. E. splendida Gillette. 



Greensburg. 



402. E. obtusa Walsh. 



Crreensburg, May to July, October. Common on the leaves 

 of trees, bushes, and weeds. 



403. E. pergandi Gillette. 



Greensburg, October 30. 



404. E. mali Le Baron. 



The apple leaf-hopper is quite common in western Pennsyl- 

 vania. It is reported elsewhere as occurring on the apple, cur- 

 rants, gooseberry-bushes, beans, potatoes, plum-trees, and wild 

 grape-vines. 



