June, 1920.] Davis: Xortii Ami-ricax Cicadas. 109 



frona Utah, Montana, and Arizona. The uncus approaches in shape that of 

 Platypedia siniilis from further south. 



Me.\sl-rements in Millimeters. 



Male Type. Female Allotype. 



Length of body 2i 23 



Width of head across eyes 6 6.5 



Expanse of fore wings 49 52 



Length of valve 5.5 



In addition to the type and allotype the following specimens have 

 been examined, from California: — Keddie, Plumas Co., June 7, 1918, 

 female, June 24, 1918, female, June 28, 1918, female (Frank Morton 

 Jones) ; May 16, 1919, male (Mrs. Luman). Plumas County, June 

 14. 1913, female (F. W. Xunenmacher). Lassen County, June 5, 1913, 

 male (F. W. Nunenmacher). 



In the collection of the Colorado Agricultural College, there is a 

 female labeled Corvallis. Oregon, July 8, 1896. 



Platypedia areolata (Uhler). Plate V, fig. 5. 



1 86 1. Cicada areolata Uhler. Proceedings Academy Xat. Sciences of 

 Philadelphia, xiii, p. 2S5. 



In the original description the color is given as " black, with a 

 slightly aeneous tinge'"; the "eyes very prominent"; the " hemelytra 



03 



Platypedia areolata 



broad, obtuse, dilated upon the costal margin to the tip of the first 

 marginal areolet, costa and two posterior longitudinal veins at base, 

 yellow, remainder of the veins piceous, veins of the wings yellow, 



