CICADELLOIDEA — EUSCELIDAE 



857 



[Orthotype Thamnotettix colonus De Long 1936a : 219] 

 [Type Deltocephalus colonus De Long and Knull 1946a : 41] 

 [Orthotype Deltocephalus colonus Oman 1949a : 177] 



Graminella 



{Delto- 

 cephalus] 

 (Unerus) 



Graminella 



Unerus 

 Graminella 



Unerus 

 Graminella 



Unerus 

 Graminella 



Unerus 



Graminella 



Unerus 



De Long 1936a : 218 [gen. n., comparative note] 

 De Long 1936a : 219 [subg. n.] 



De Long and Caldwell 1937c: 52 [Catalogued, 



catalogue of species from the Nearctic Region] 



: 92 [Catalogued] 

 De Long and Caldwell 1937c: 34 [Catalogued, 



catalogue of species from the Nearctic Region] 

 De Long and Mohr 1937a: 622 [Notes, key to 



species] 

 Brown 1939a : 669 [List of species from Indiana] 

 Brown 1939a : 667 [List of species from Indiana] 

 Medler 1943a : 47 [Key] : 109 [Described, key to 



species from Minnesota, catalogued, ecology] 

 Metcalf 1944b : 161 [Bibliography] 

 De Long and Knull 1946a: 41 [List of species 



from the Nearctic Region] 

 De Long and Knull 1946a: 61 [List of species 



from the Nearctic Region] 

 Evans 1947a : 233 [Catalogued] 

 Metcalf 1947a : 158 [Zoogeography] 



Osborn and Knull 1947a: 333 [List of species 

 from Ohio] 



Osborn and Knull 1947a: 332 [List of species 

 from Ohio] 



De Long 1948a : 188 [Key] : 268 [Described, re- 

 view of species from Illinois, catalogued] 



De Long 1948a: 188 [Key] : 263 [Described, 

 review of species from Illinois, catalogued] 



Oman 1949a: 6 [Notes] : 110; Text fig. 1 [Tax- 

 onomy illustrated] : 119 [Key] : 177 [De- 

 scribed, catalogued] Equals Deltocephalus 

 (Unerus De L.) 



Neave 1950a: 106 [Catalogued] 



Neave 1950a : 286 [Catalogued] 



Young 1950a: 66 (14) [List of species from Ken- 

 tucky] 



