CICADELLOIDEA — EUSCELIDAE 1831 



De Long 1948a: 254 [Described, review of spe- 

 cies from Illinois, catalogued] : 187 [Key] : 

 258 [Comparative note] : 98 [Ecology] 



Oman 1949a: 165 [Described, catalogued] 

 Equals Deltocephalus (Laevicephalus De L.) 

 : 117 [Key] : 110; Text fig. 1 [Taxonomy 

 illustrated] 



Caldwell in Caldwell and Martorell 1952a: 60 

 [Described, review of species from Puerto Rico, 

 catalogued] : 45 [Key] 



Ishihara 1953b: 14 [Comparative note] 



Knull 1954a: 93 [New species from the United 

 States] 



Fattig 1955a: 60 [List of species from Georgia] 



abdominalis Fabricius. See Verdayius abdominalis Fabricius. 



acus Sanders and De Long 



[Deltocephalus] acus Sanders and De Long 1920a: 6 [n. sp., 

 key] : 10; pi. I, fig. 11; pi. IV, fig. 4 [n. sp., illustrated] 



1, 2, 3, 4. 5 



Deltocephalus acus Osborn 1922c: [Ecology] - 

 Dleltocephalus] acus De Long 1923a: 115 [Described, cata- 

 logued] « : 106 [Key] 

 [Deltocephalus'] acus Buys 1924a: 56 [Key] ^ 

 Deltocephalus [(Laevicephalus)] acus De Long 1926d: 69; 

 pi. XIV, figs. 7, 7a-b; pi. XXVI, fig. 11 [Described, cata- 

 logued, illustrated] i- - 4, e . ^4 [j^ey] 

 [Deltocephalus] acus De Long 1926d: 102 [Ecology] : 10; 



pi. VI, figs. 1, la [Venation illustrated] 

 D[eltocephalus] acus Leonard 1928a: 167 [Listed] -' ^ 

 [Deltocephalus] acus Osborn 1928b: 270 [Key] 

 [Laevicephalus] acus De Long and Sleesman 1929a: 93; pis. 



V, VIII [ $ genitalia described, illustrated] 

 Laevicephalus acus Lowry 1933a: 71 [Ecology] ' 

 [Laevicephalus] acus De Long and Davidson 1935b: 167 



[Comparative note] 

 Laevicephalus rotundens De Long and Davidson 1935b: 167; 



pi. 7 [n. sp., illustrated] ^ 

 [Laevicephalus] acus De Long and Caldwell 1937c: 31 [Cata- 

 logued] 1- -' 4- « 

 [Laevicephalus] rotundens De Long and Caldwell 1937c: 31 



[Catalogued] ^ 

 [Deltocephalus] acus Britton 1938c: 24 [Listed] ^ 



