CICADELLOIDEA — EUSCELIDAE 1189 



silvestris. Typographical error for Deltocephalus sylvestris Osborn and Ball. 



See Laevicephalus sylvestris Osborn and Ball. 

 simplarius Osborn and Ball. See Amplicephalus simplex Van Duzee. 

 simplex Haupt. See Deltocephalus obtusus Metcalf. 

 simplex Herrich-Schaffer. See Thamnotettix confinis Zetterstedt. 

 simplex Van Duzee. See Amplicephalus simplex Van Duzee. 

 sinuatus Matsumura. See Turrutus socialis var. onustus Fieber. 

 sleini.^ Typographical error for Deltocephalus formosus var. steini Fieber. 



See Metalimnus formosus var. steini Fieber. 

 slossonae Ball. See Secopennis slossonae Ball. 

 sobrinus De Long and Sleesman. See Errastunus sobrinus De Long and 



Sleesman. 

 sobrinus Stal. See Thamnotettix sobrinus St§.l. 

 socialis Flor. See Turrutus socialis Flor. 

 socialis var. onustus Fieber. See Turrutus socialis var. onustus Fieber. 



sonora Ball 



Deltocevhalus sonorusBdiWl^O^ciMA. [n. sp.] ^ : 345 [Com- 

 parative note] 

 Deltocephalus sonorus Van Duzee 1909a: 220 [Listed] - : 



221 [Comparative note] 

 Deltocephalus sonorus Osborn 1912a : 79 [Economics] 2. 3. 4 

 Deltocephalus sonorus Barber 1914a: 533 [Listed] 2 

 Deltocephalus signatifrons [nee Van Duzee] De Long 1916a : 



43 [Key] : 47 [Described] ^ 

 Deltocephalus'] sonorus Van Duzee 1916a: 71 [Listed] 3- "^ 

 Deltocephalus sonorus Van Duzee 1917b: 651 [Catalogued] 



1, 2, 8 



Deltocephalus sonorus De Long 1918b: 233 Equals Delto- 

 cephalus signatifrons [nee Van D.] : 237 [Listed] ^ 

 Deltocephalus sonorus Lawson 1920a : 139 [Key] : 160 [De- 

 scribed, ecology, catalogued] ^ 

 Deltocephalus sonorus Osborn 1921a: 11 [Listed] 2 

 Deltocephalus sonorus Lawson 1922c : 334 [Listed] ^ 

 Deltocephalus sonorus Van Duzee 1923a : 181 [Listed] ^^ 

 Deltocephalus sonorus Wolcott 1923b : 263 [Food plants] ^i 

 Deltocephalus [ (Deltocephalus)'} sonorus De Long 1926d: 86 

 [Key] : 93; pi. XVIII, figs. 8, 8a-b; pi. XXIX fig. 7 [De- 

 scribed, illustrated catalogued] !• 2. 4. 5. s. 9. 12. 13. u, 15. le 

 Equals Dleltocephalus} signatifrons De. L. [nee Van D.] 

 [Deltocephalus'] sonorus De Long 1926d : 10 ; pi. VI, figs. 12, 



12a [Venation illustrated] : 102 [Ecology] 

 Deltocephalus sonorus Osborn 1926c: 336 [Food plants] ^'^ : 



348 [Ecology] ^'^' is 

 [Deltocephalus] sonorae Osborn 1926d: 101 [Ecology] ^"^ 



