86 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. 



spots along nervures, and costa with twelve or more spots, brown 

 or black. Female paler with few markings. Last ventral segment 

 concave, notched at middle. Length 6-7 mm. 



Occurs in moist grassy areas. 



New Haven, 13 May, 191 1, 25 March, 1921 (B. H. W.). 



Acucephalus Germar. 



Aphrodes Curtis. 



Pholetaera Zetterstedt. 



Anoscopus Kirschbaum. 



Vertex obtusely angular, produced, in female generally tricari- 

 nate. Ocelli on front margin a little nearer the eyes than the apex. 



Key to Species. 



1. Larger, 6.5 mm. in length, vertex thin at edge, disc rather con- 



cave, pronotum exceeding vertex in length nervosus 



2. Smaller, not exceeding 6 mm. in length, vertex with edge 



thickened, disc scarcely depressed, vertex as long as pronotum 



albifrons 



A. nervosus (Schrank). Cicada nervosus Schrank. Cercopis 

 rustica Fabricius. Cercopis striata Fabricius. (Fig. 8, 4.) 



Enum. Ins. Aust., 252, 1781. 



A rather broad flat-headed species varying in color from greenish 

 to brown. A yellow transverse band is conspicuous on pronotum 

 of male. Females usually light, speckled with brown. Length 

 5-6 mm. 



Common on grasses in New England, and often collected with 

 the Cercopidae which it resembles in general appearance. 



New Haven, 11 July, 1920 (B. H. W.). 

 A. albifrons (Linnaeus). Cicada albifrons Linnaeus. Acu- 

 cephalus circumfle.vus Provancher. 



Syst. Nat, Edn. 10, i, 437, 1758. 



A smaller form than nervosus, variable in color, yellowish to 

 brown, males with white spots on elytra often in the form of large 

 blotches or transverse bands. Elytra shortened in males usually 

 exposing tip of abdomen. Front pale. Length 3-4 mm. 



A common species on low grasses. This species is now known 

 to live partially under the ground or in little depressions around 

 the roots of grasses. It is single brooded, the adults being found 

 in late July, August and September. 



Hamden, 24 July, 1910 ; New Haven, 30 July, 1909, 2.1 July, 1910 

 (B. H. W.) ; 16 July, 31 July, 1920 (B. H. W.) ; Branford, 21 July, 1920, 

 East Haven, 21 July, 1920 (B. H. W.) ; Guilford, 26 July, 1920 (M. P. Z.) ; 

 Cornwall, 18 July, 1921 (B. H. W.) ; North Branford, 5 July, 1921 (P. G.). 



