58 The University Science Bulletin. 



ventral process of medium thickness, the apex acute and with the 

 usual membrane around the functional orifice near the middle third. 



Distribution. This species occurs throughout the United States 

 as shown by the following records of its distribution given by Van 

 Duzee: Nova Scotia, Ontario, New Hampshire, Massachusetts, New 

 York, New Jersey, Pennsylvania, Maryland, Delaware, North Caro- 

 lina, Tennessee, Ohio, Indiana, Illinois, Iowa, Minnesota, Kansas, 

 Missouri, Dakota, Montana, Wyoming, Colorado, Utah, New Mex- 

 ico, Texas, and California. 



As far as our collecting in this state shows, this species is by far 

 the most widely distributed, specimens having been taken in the 

 following counties: Douglas, Wilson, Riley, Comanche, Russell, 

 Butler, Pawnee, Finney, Graham, Rawlins, Cherokee, Wallace, 

 Harper, Shawnee, Wyandotte, Allen, Decatur, Harvey, Saline, Neo- 

 sho, Sumner, Reno, Hodgeman, Osborne, Labette, Anderson, Potta- 

 watomie, Wabaunsee and Ottawa. 



Hosts. The list of plants on which this species feeds is very 

 large, including many weeds and trees. Funkhouser records it 

 from the following hosts: Sycamore, aster, poplar, potato, butter- 

 nut, hazelnut, pear, sumac, oak, locust, elm, willow, elder, sweet 

 clover, hickory, pignut, apple. Miss Branch reports it from osage 

 orange, horseradish, gama grass, sunflower and alfalfa. Coding 

 records it from apple, potato, tomato, pear, peach, plum, grape, 

 apricot, almond, willow, locust and Japanese lily. Gillette and 

 Baker report it from willow, apple, soft maple, Solidago spectabilis, 

 Aster canescens, Apocynum androscemijolium, alfalfa, and Glycr- 

 rhiza lepidota. The writer has taken it most frequently on apple, 

 locust, hickory, sweet clover and alfalfa in Kansas. 



. Genus Stictocephala Stal. 



The members of this genus ai^e greenish species, which differ from 

 those of the preceding genus by lacking the suprahumeral horns. 



The three species occuring in Kansas may be separated by the 

 following key: 



KEY TO SPECIES. 



A. Carinate sides of the metopidium meeting before the middle of the body. 



iiiermis. 

 AA. Carinate sides of the metopidium meeting at or behind the middle of 

 the body. 

 B. Carinate sides of the metopidium meeting at or near middle of 

 dorsum. lutea. 



BB. Carinate sides of metopidium meeting much behind middle of 

 dorsum. fcstina. 



