CICADELLOIDEA — EUSCELIDAE 1847 



L[aevicephalus] silcus [sic] Knowlton and Allen 1936a: 272 

 [Listed] 3 



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

 [Catalogued] i- 2. 3 



[Laevicephalus'] siclus De Long and Knull 1946a: 39 [Cata- 

 logued] ^' -' -^ 



[Laevicephalus] siclus Oman 1949a: 165 [Catalogued] ^' ^ 



L[aevicephalus] siclus Knull 1954a: 94 [Comparative 

 note] : 97 [Notes] 



Localities: Mdaho. ' South Dakota. ^ Utah. ' Central States. 

 ° Northwestern States. 



silcus. Typographical error for Laevicephalus siclus De Long and Davidson. 



siskiyoii Oman. See Giprus siskiyou Oman. 



spicatus De Long. See Sorhoanus spicatus De Long. 



striatus Linne. See Psammotettix striatus Linne. 



subrutilus De Long and Sleesman. See Auridius aurafus G'llette and Baker. 



sylvestris Osborn and Ball 



Deltocephalus sylvestris Osborn and Ball 1897a: 213; pi. 



XXV, fig. 4 [n. sp., illustrated, ecology] ^ : 199 [Key] 

 [Deltocephalus] sylvestris Baker 1897e: 117 [Listed] 

 Deltocephalus sylvestris Osborn and Ball 1897b: 636; pi. 7, 



figs. 4a-f [Described, ecology, illustrated] ^' -• ^- * 

 Deltocephalus sylvestris Gillette 1898c: 31 [Listed] 

 Deltocephalus sylvestris Bruner 1899a: 125; pi. VIII, figs. 



4a-f [Illustrated] ^' 

 Deltocephalus sylvestris Osborn 1900e: 67 [Listed] ^ 

 D[eltocephalus] sylvestris Osborn 1900f : 11 [Listed] ^ 

 [Deltocephalus] sylvestris Gillette 1901a: 173 [Comparative 



note] 

 D[eltocephalus] sylvestris Wirtner 1904a: 222 [Ecology] ^ 

 Deltocephalus sylvestris Osborn 1905a: 519 [Catalogued] ^ 

 Deltocephalus sylvestris Osborn 1905c: 519 [Catalogued] ^ 

 Deltocephalus sylvestris Van Duzee 1905a : 554 [Ecology] ^ 

 D[eltocephalus] sylvestris Kirkaldy 1907d: 56 [Comparative 



note] 

 [Deltocephalus] sylvestris Tucker 1907a: 67 [Listed] ^ 

 D[eltocephalus] sylvestris Young 1910a: 125 [Listed] ^ 

 [Deltocephalus] sylvestris Crumb 1911a: 235 [Food plants] '^ 

 D[eltocephalus] sylvestris Osborn 1912a: 44 [Ecology] " 

 [Deltocephalus] sylvestris Crumb 1915a: 193 [Comparative 



note] 

 Deltocephalus sylvestris Metcalf 1915a: 57 (25) [Listed] '"^ 



