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April 13, 2020

Okanagana rimosa rimosa (Say, 1830) aka Say’s Cicada

Filed under: Audio, Sounds, Songs | Okanagana | Thomas Say | Tibicinini | U.S.A. — Tags: — Dan @ 7:46 pm

Okanagana rimosa rimosa (Say, 1830) aka Say’s Cicada.

Image

Okanagana rimosa rimosa (Say, 1830)
Photo credit: Okanagana rimosa by Natasha.

All Okanagana rimosa rimosa information & images on cicadamania.com.

Song type: Call


Source: ©Insect Singers | Species: O. rimosa rimosa

Video Playlist

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.

FF. Dull bodied species or at most feebly shining, with proportionately narrower wings, and the hind margin of pronotum orange or reddish, except in tristis where it is black. Dorsum of the abdomen often with conspicuous transverse rows of short silvery hairs.

Basal cell of fore wings slightly clouded, pronotum blackish mottled each side with testaceous, the hind margin and sides reddish. Tergum with the posterior edges of the segments reddish, the vestiture more sparse than in canadensis and more in the nature of hairs. Expands about 60 mm.

Similar to: Okanagana rimosa rimosa (Say, 1830) aka Say’s Cicada, Okanagana canadensis (Provancher, 1889) aka Canadian Cicada and Okanagana tristis tristis Van Duzee, 1915.

Classification:

Family: Cicadidae
Subfamily: Cicadettinae
Tribe: Tibicinini
Subtribe: Tibicinina
Genus: Okanagana
Species: Okanagana rimosa
Subspecies: Okanagana rimosa rimosa (Say, 1830)
Subspecies: Okanagana rimosa ohioensis Davis, 1942

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: ITIS.gov
  3. Common names: BugGuide.net; 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.

Notes:

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

Okanagana rimosa rimosa (Say, 1830) aka Say’s Cicada.

Image

Okanagana rimosa rimosa (Say, 1830)
Photo credit: Okanagana rimosa by Natasha.

All Okanagana rimosa rimosa information & images on cicadamania.com.

Song type: Call


Source: ©Insect Singers | Species: O. rimosa rimosa

Video Playlist

Name, Location and Description

From Davis’ key to Okanagana1:

Classification:

Family: Cicadidae
Subfamily: Cicadettinae
Tribe: Tibicinini
Subtribe: Tibicinina
Genus: Okanagana
Species: Okanagana rimosa
Subspecies: Okanagana rimosa rimosa (Say, 1830)
Subspecies: Okanagana rimosa ohioensis Davis, 1942

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: ITIS.gov
  3. Common names: BugGuide.net; 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.

Notes:

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

March 1, 2020

Okanagana rimosa exuvia photos by Elias Bonaros

Filed under: Elias Bonaros | Exuvia | Okanagana | Tibicinini — Tags: — Dan @ 9:45 am

Okanagana rimosa exuvia (skins, shells) photos by Elias Bonaros. From 2010, I believe.

Note the dark lines on the abdomen — that’s an easy way to distinguish Okanagana exuvia from other types of cicadas.

Side view

dorsal view

February 29, 2020

Okanagana rimosa photo by Natasha from 2005

Filed under: Okanagana — Tags: — Dan @ 8:18 am

Okanagana rimosa photo by Natasha from 2005.

Okanagana rimosa photo by Natasha from 2005.

July 1, 2010

Okanagana rimosa nymph skins

Filed under: Elias Bonaros | Exuvia | Okanagana | Proto-periodical — Tags: — Dan @ 10:20 pm

The Okanagana rimosa, also known as Say’s Cicada, is a cicada that can be found in the USA in northern states east of the Rockies, like New York, Pennsylvania, Michigan, Wisconsin, Minnesota, North Dakota and all New England states. Say’s cicada can also be found in the Quebec, Ontario, and Manitoba provinces of Canada.

Say’s Cicada is black and orange; orange legs, orange markings on its mesonotum, and orange bands around most segments of its body. Here’s a photo of an adult:

Okanagana rimosa photo by Natasha from 2005.

A few weeks ago Elias Bonaros sent us some photos of the exuvia (shed skins) of Okanagana rimosa nymphs that he found while searching for cicadas in Western Massachusetts with Gerry from Massachusetts Cicadas. It’s interesting that the black bands that appear around the segments of the nymph’s body are where we see orange bands in the adult form.

Side view

Say’s cicada has a fantastic call that needs to be heard to be appreciated. Visit the Insect Singers website to hear the call of a Okanagana rimosa.

An interesting note about the Okanagana rimosa, it has been showed to have a 9 year life cycle, and appears to be protoperiodical:

“Soper et al (112) showed experimentally that Okanagana rimosa had a life
cycle of 9 years, and that in the field during a 9-year period (1962 to
1970) it was extremely abundant in 4 years and scarce or absent in the
other 5. Heath (32) also studied cicadas of the genus Okanagana and
found several species that appear to be protoperiodical.”

Source.

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