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Photo#119582
Tibicen sp. - Hadoa duryi

Tibicen sp. - Hadoa duryi
Nature Conservancy Davis Mountains Preserve, Jeff Davis County, Texas, USA
June 16, 2007
Size: 1.5 to 2 inches
hanging upside down on a tree branch

Note on western Tibicen species
"Tibicen chisosensis" is recorded from Texas and similar in appearance to Tibicen duryi...perhaps even synonymous (per. comm.)

PLEASE refer to the following: Tibicen chisosensis info & image

Moved
Moved from Tibicen townsendii.

Moved
Moved from Cicadas.

Tibicen
Not Diceroprocta - that genus has longer wings and lacks the prominently darkened crossveins so evident in this photo. There are several small Tibicen spp. in that part of the USA, but our collection has only one of them (T. bifidus), and it's not that one.

 
Tibicen townsendi
This colorful species is common in the Big Bend part of Texas. (You have to boost the contrast in this photo to see just how brightly marked it is).

 
Tibicen townsendi (sic) is not common in Big Bend NP
Phillips and Sanborn (2007) launched numerous "major expeditions" to Big Bend National Park but found that T. townsendii "was the most difficult species to locate." (See reference section on Cicadidae page for links to their paper.) Mike

 
Not True
Quote:
that genus has longer wings and lacks the prominently darkened crossveins


Andy that just plain isn't correct. There are plenty of Diceroprocta out there with darkened cross veins and is not a reliable key to the genus.

As mentioned previously, the American Museum of Natural History has Diceroprocta-a-penty with darkened cross veins.

Gerry

 
Diceroprocta
Thanks for the comment. How do you differentiate the genus? Is the distinctly pale opercula a helpful character?

I'm thinking Diceroprocta
For no other reasons than the date on this photo. Tibicens really don't start to emerge till around the first week of July and this specimen has a light colored pronotal collar which is indicative of Diceroprocta.

 
Cornuplura?
Thanks for the correction on this. The specimens in our collection turned out to be Cornuplura (differentiated by processes on the male genitalic capsule, and by a black basal cell on the forewing).

Perhaps T. duryi is also a Cornuplura (note the black basal cell).

 
seems good
Seems good, but none of those with images seem like a match

 
Well, that's because
There are more cicadas of the Diceroprocta genus in the United States than we have in the guide right now. You can try here to see if you can find a better match but I think getting it down to genus is still pretty good.

Gerry

give us a clue ...
Approximately how big?

 
Oh, sorry about that
It's a large one, about 1.5 to 2 inches

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