[Reprinted from Journal of the New York Entomological Society, Vol. 

 XXVI, Nos. 3-4, September-December, 1918.] 



MISSISSIPPI CICADAS, WITH A KEY TO THE 



SPECIES OF THE SOUTHEASTERN UNITED 



STATES. 



By Wm. T. Davis, 



New Brighton, Staten Island, N. Y. 



For several years Professor R. W. Harned has kindly sent to me 

 for identification the cicadas collected by the students of the Missis- 

 sippi Agricultural and Mechanical College. It has been a pleasure 

 to go over the specimens, and now that records for eighteen species 

 have accumulated, including a new one, it seems desirable to make 

 a list of those known to occur in the state. Mississippi is rich in 

 cicadas, and as far as the present records show, has even- more spe- 

 cies than Florida. This is easily explained, for some of the western 

 species reach as far eastward as the valley of the Mississippi River. 

 The discovery of the green-colored Okanagana, described in this 

 paper, from the delta section of the state, has been a great surprise. 

 It suggests that other unknown forms may still exist and emerge 

 from time to time from their unseen feeding places beneath the sur- 



