236 Journal New York Entomological Society. fVoi. xxiv, 



While the type is so far the only known specimen, this species may 

 be easily separated from all the other described members of the genus 

 by the peculiarly blunt and rounded front and shining black and yel- 

 lowish surface. 



Explanation of Plate ii. 



Fig. I. Okanagana oregona Davis. Type. 



Fig. 2, Okanagana rotundifrons Davis. Type. 



Fig. 3. Okanagana rotundifrons greatly enlarged to show rounded front. 



