74 The Ohio Journal of Science [Vol. XVI, No. 2, 



Gypona flavilineata Fitch. Swept from grass lands at Chillicothe. 

 Gypona cana Burm. Taken with G. flavilineata. 

 Gypona pectoralis Spangb. Taken with G. flavilineata. 



JASSIDAE. 



Xestocephalus pulicarius VanDuzee. One specimen of this form 

 taken at an electric light at Charleston, July 28. 



Xestocephalus tesselatus VanDuzee. Collected from elm 

 leaves at Charleston. Quite rare. 



Hecalus lineatus Uhler. Not common. Nymphs more numer- 

 ous than adults during August. Swept from rank growing 

 grasses near the Mississippi River at Hannibal. 



Parabolocratus viridis Uhler. Recorded from Springfield, 

 Columbia, Chillicothe, and Charleston. Observed feeding 

 on grass, sweet clover and sorghum. 



Platymetopius acutus Say. Only one adult collected. Swept 

 from weeds near a bog at Charleston, July 28. 



Platymetopius frontalis VanDuzee. Very common throughout 

 the state. Attacks clover, alfalfa, and grasses. Also taken 

 from woody shrubs, 



Deltocephalus nigrifrons Forbes. Generally distributed in all 

 sections of the state. Very abundant during October. 

 Known to feed upon clover, alfalfa, wheat, many grasses 

 including blue grass, and several weeds. Attracted to lights 

 at night. 



Deltocephalus weedi VanDuzee. Quite common on weeds along 

 roadsides and shady places. Collected at Lutesville and 

 Charleston during the late summer. 



Deltocephalus flavicosta Stal. Quite abundant during middle 

 and late summer, principally in southern part of state. 

 Swept from native grasses and weeds. Occasional speci- 

 mens taken from wheat. 



Deltocephalus sayi Fitch. Recorded from grass lands in North 

 western parts of state in September. Quite common in 

 blue grass. 



Deltocephalus inimicus Say. Common in all parts of the state. 

 All stages taken from May to November. Food plants 

 include wheat, oats, alfalfa, clover, cowpeas, timothy, blue 

 grass, other native grasses, and weeds. 



