ClCADOIDEA—TlBICINIDAE 
109 
Okangana occidentalis Downes 1927a: 16 [Listed] 3 
0[kanagana] occidental^ Davis 1930a: 56 [Listed] 3 - 7 - 8 - 9 
Okanagana occidentals Davis 1936a: 109 [Comparative note] 
Okanagana occidentals Davis 1939b: 298, 299 [Comparative notes] 
Okanagana occidentals Davis 1942b: 180 [Comparative note] 3 * 4 - 5 - 9 
[Okanagana] occidentals Strickland 1953a: 203 [Listed] 10 
Okanagana occidentals Simons 1954a: 154 [Listed] 9 :162, 164; PL 48, 
Fig. B-6 [Key, illustrated] 9 :176 [Catalogued] 4 - 5 - 6 - 7 - 9. n. 12 Equals 
Cicada occidentals Walk. 
Localities: Pacific Coast States. 2 Vancouver Island. 3 British Columbia. 
4 Oregon. 5 Washington. 6 Idaho. 7 Montana. 8 Manitoba. 9 California. 10 Al¬ 
berta. 11 Utah. 12 Nevada. 
ohioensis Davis (var.). See Okanagana rimosa var. ohioensis Davis. 
opacipennis Davis 
Okanagana arctostaphylae opacipennis Davis 1926a: 186; PI. XXIII, 
Fig. 1 [n. var., illustrated] 1 
Okanagana opacipennis Davis 1927a: 380; PI. XVIII, Fig. 2; 1 text 
fig. [Notes, illustrated] 1 Equals [Okanagana arctostaphylae opacipen¬ 
nis Davis] 
Okanagana arctostaphylae opacipennis Kato 1932a: 175 [Listed] 1 
Okanagana opacipennis Davis 1936a: 112 [Notes, ecology] 1 
0[kanagana] arctostaphylae opacipennis Pallister 1946a: 46 [Listed] 
Okanagana opacipennis Simons 1954a: 153 [Ecology] 1 :154 [Listed] 1 
:161, 163; PL 45, Fig. E [Key, illustrated] 1 :176 [Catalogued] 1 
Localities: 1 California. 
oregona Davis 
Okanagana oregona Davis 1916b: 233; PI. II, Fig. 1; 2 text figs. [n. 
sp., illustrated] 1 
Okanagana oregona Van Duzee 1917b: 504 [Catalogued] 1 
Okanagana oregona Davis 1919a: 185 [Key] :210 [Notes, comparative 
note, catalogued] 1 - 2 - 3 
Okanagana oregona Downes 1927a: 16 [Listed] 4 
Okanagana oregona Davis 1935b: 305 [Comparative note] 
Okanagana oregona Davis 1941a: 95 [Comparative note] 
Okanagana oregona Simons 1954a: 154 [Listed] 5 :162, 164; PI. 47, Fig. 
D [Key, illustrated] 5 :182 [Catalogued] 1 - 5 
Localities: 1 Oregon. 2 Idaho. 3 Montana. 4 British Columbia. 5 California. 
oregonensS Davis (var.). See Okanagana mariposa var. oregonensis Davis. 
ornata Van Duzee 
Okanagana ornata Van Duzee 1915a: 26 [n. sp., key] :33 [n. sp.] 1 
[Okanagana] ornata Van Duzee 1916a: 56 [Listed] 2 
Okanagana ornata Van Duzee 1916b: 245 [Notes, ecology] 1 
