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April 23, 2016

Okanagana tristis rubrobasalis Davis, 1926

Filed under: Okanagana | Tibicinini | United States | William T. Davis — Tags: — Dan @ 8:30 pm

Okanagana tristis rubrobasalis Davis, 1926.

Name, Location and Description

From Davis’ key to Okanagana1:

A. Male uncus not hooked at the extremity, sometimes sinuate.

B. Expanse of fore wings more than 50 mm.

C. Base of fore and hind wings orange-red more or less variegated with black.

DD. The outer edge of the front wing of a more continuous curve. Medium-sized species, except schaefferi, which is large.

EE. Legs, especially the front pair considerably blackened.

F. Shining species with rather broad wings, and the hind margin of pronotum orange or reddish.

Venation about as in canadensis, but the veins not thickened. Pronotum generally all black, but sometimes mottled with dull red on each side of the center. Further distinguished from the other two species in this section by having the abdomen beneath centrally pale. Expands about 70 mm

Similar to: Okanagana schaefferi Davis, 1915, Okanagana occidentalis (Walker in Lord, 1866), Okanagana bella Davis, 1919 aka Mountain Cicada, Okanagana rimosa rimosa (Say, 1830) aka Say’s Cicada, Okanagana canadensis (Provancher, 1889) aka Canadian Cicada, and Okanagana tristis tristis Van Duzee, 1915.


Family: Cicadidae
Subfamily: Cicadettinae
Tribe: Tibicinini
Subtribe: Tibicinina
Genera: Okanagana
Species: Okanagana tristis rubrobasalis Davis, 1926

List of sources

  1. Davis, William T. Cicadas of the genera Okanagana, Tibicinoides and Okanagodes, with descriptions of several new species. Journal of the New York Entomological Society. v27. 179-223. 1919. Link.
  2. Full Binomial Names:
  3. Common names:; The Songs of Insects by Lang Elliott and Wil Herschberger; personal memory.
  4. Locations: Biogeography of the Cicadas (Hemiptera: Cicadidae) of North America, North of Mexico by Allen F. Sanborn and Polly K. Phillips.
  5. Descriptions, Colors: personal observations from specimens or photos from many sources. Descriptions are not perfect, but may be helpful.


  • Some descriptions are based on aged specimens which have lost some or a lot of their color.

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