354 The University Science Bulletin, 



Antennae: Funicle apparently six-jointed and club two-jointed; first funicle 

 plus ring joint about twice the length of the pedicel; segments 4, 5 and 6 about 

 quadrate; club joints nearly quadrate also. 



Species medium to large. 



Males. Unknown. 



Type locality. Elk Point, South Dakota. 



Type. Cat. No. 25,475, U. S. N. M. 



Described from ten females reared from stems of Phalaris sp. collected at 

 Elk Point, S. Dak., by C. N. Ainslie of the United States Bureau of Ento- 

 mology. 



