CICADELLOIDEA — EUSCELIDAE 1657 



[Laevicephalus] mcongrmis De Long and Knull 1946a: 39 



[Catalogued] ^ 

 [Giprus'] incongruus Oman 1949a: 164 [Catalogued] Equals 



Laevicephalus [incongruus Oman] 

 Localities: 'California. 



joaquinus Oman 



Laevicephalus joaquinus Oman 1937c: 475 [n. sp., key] : 



478; figs. 6, 6A, 12 [n. sp., illustrated] i 

 [Laevicephalus] joaquinus De Long and Knull 1946a: 39 



[Catalogued] ^ 

 [Giprus] joaquinus Oman 1949a: 164 [Catalogued] Equals 



Laevicephalus [joaquifius Oman] 

 Localities: 'California. 



pacif icus Oman 



Laevicephalus pacif icus Oman 1937c: 475 [n. sp., key] : 



477; figs. 2, 2A, 8, 15 [n. sp., illustrated] i : 478, 479 



[Comparative notes] 

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



[Catalogued] ^ 

 [Giprus] pacificus Oman 1949a: 164 [Catalogued] Equals 



Laevicephalus [pacificus Oman] 

 Localities : ' California. 



Siskiyou Oman 



[Laevicephalus] siskiyou Oman 1937c: 475 [n. sp., key] : 

 478; figs 5, 5A, 10 [n. sp., illustrated, comparative note] 



1, 2 



[Laevicephalus] siskiyou De Long and Knull 1946a : 39 [Cat- 

 alogued] 1 



[Giprus] siskiyou Oman 1949a: 164 [Catalogued] Equals 

 Laevicephalus [siskiyou Oman] 



Giprus siskiyou Wolfe 1955c : 19 [Ecology] ^ : 33 [Food 

 plants] 



Localities: 'California. ^Washington. 



Genus Retusanus De Long 



Orthotype Retusanus punctatus [n. sp.] De Long 1945g: 



135 

 Type Retusanus punctatus Evans 1947a : 238 



Retusanus De Long 1945g: 135 [gen. n.] 



Evans 1947a : 238 [Catalogued] 

 Neave 1950a : 237 [Catalogued] 



