CICADELLOIDEA — EUSCELIDAE 1835 



cookei Gillette. See StenonietopieUus cookei Gillette. 



curvus Knull 



Laevicephalus curvus Knull 1954a: 93; pi. I, figs. 7-9 [n. 

 sp., illustrated] ^ : 97 [Notes] 



Localities : ^ Texas. 



debilis Uhler. See Sorhoomus debilis Uhler. 



emarginaUis Gillette and Baker. See Elymana emarginata Gillette and 



Baker. 

 evansi Ashmead. See Verdanus evansi Ashmead. 

 excavatus Oman. See Psamviofettix excavatus Oman. 

 exectus De Long. See A^iridius auratus Gillette and Baker. 



exiguus Knull 



Laevicephalus exiguus Knull 1954a: 94; pL I, figs. 19-21 [n. 

 sp., illustrated] ^ : 96 [Comparative note] : 97 [Notes] 

 Localities: ' South Dakota. 



ferratus De Long and Davidson. See Psammotettix ferratvs De Long and 



Davidson. 

 flahelluin De Long. See Sorhoavus helvmns Van Duzee. 

 flaveolus Osborn. See Deltocephalus flaveolus Osborn. 

 flavovirens Gillette and Baker. See Sorhoa7iMs flavovirens Gillette and 



Baker. 



hamatus Beamer 



Laevicephalus hamatus Beamer 1938c: 78; figs. 2, 2a-d [n. 



sp., illustrated] ^ 

 [Laevicephalus'] hamatus De Long and Knull 1946a: 39 



[Catalogued] ^ 

 [Laevicephalus] hamatus Oman 1949a: 165 [Catalogued] ^ 

 [Laevicephalus] hamatus Knull 1954a: 97 [Notes] 



Localities : ^ Texas. 



har^^imani Ashmead. See Psammotettix harrimani Ashmead. 

 helvinus Van Duzee. See Sorhoayius helvinus Van Duzee. 

 helviis De Long. See Auridms helvus De Long. 

 hyalinus Beamer. See Cabrulus hyalmus Beamer. 



incisurus De Long 



Deltocephalus [(Laevicephalus)] concinnus incisurus De 

 Long 1926d: 77; pi. XV, figs. 9, 9a [n. var., illustrated] ^ 



[Laevicephalus concinnus] incisurus De Long and Caldwell 

 1937c: 32 [Catalogued] ^ 



Laevicephalus incisurus Beamer 1938d: 225; pi. 18, figs. 3, 

 3a-c [Described, illustrated, catalogued] - Equals Delto- 

 cephalus concinnus incisurus De L. 



Laevicephalus incisurus Medler 1943a: 69 [Described, cata- 



