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Dogday Cicadas (Neotibicen)
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Linné's Annual Cicada (Neotibicen linnei)
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Molts, Nymphs, Tenerals, & Emergence Series (Neotibicen linnei Molts, Nymphs, Tenerals, & Emergence Series)
Photo#473871
Copyright © 2010
stan gilliam
Another Tibicen tibicen? -
Neotibicen linnei
-
Mars Hill, Madison County, North Carolina, USA
August 7, 2009
Size: typical big cicada
Can this be identified at such an early stage?
It looks a lot like the Tibicen tibicen I posted a few days ago.
How about it, Bill Reynolds?
Images of this individual:
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Contributed by
stan gilliam
on 19 November, 2010 - 3:44pm
Last updated 10 July, 2012 - 3:33pm
Moved
Moved from
Linne's cicada
.
…
Bill Reynolds
, 10 July, 2012 - 3:33pm
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Moved
Moved from
Tibicen
.
…
Bill Reynolds
, 14 July, 2011 - 1:46pm
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Moved
Moved from
ID Request
.
…
Bill Reynolds
, 23 November, 2010 - 9:47am
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Tibicen sp. (MALE)
This is definitely not T. tibicen.
Tenerals (newly emerged) can be tough to id and there is some overlap in traits between and among several of our local species - incl. linnei, winnemana, and cicadas we believe to be "hybrids" between the 2.
The overall coloration and somewhat elongated opercula lead me to think this might be linnei. However, given the oblique angles of these pic's, it's difficult to see a few of the characters that would be better revealing - i.e. head width to pronotum ratio, opercula shape, and "straight on" details of the forewings/costal margin shape.
Another possibility is T. davisi. This species is highly variable in color and some davisi tenerals can be very similar in coloration to those of linnei. The darker paired pronotal blotches seen in this teneral are also suggestive of this species.
…
Bill Reynolds
, 22 November, 2010 - 10:06am
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More detail
Thanks for your comments, Bill.
I posted an additional shot of the head and thorax.
Does that help?
…
stan gilliam
, 22 November, 2010 - 1:46pm
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Tibicen linnei (MALE) ..?
The additional images you posted show head to thorax ratios suggesting the width of the two is roughly equivalent (davisi usu. has a wider head). The costal margin also appears bowed (and passes the line bisection test - to which I am not a great fan ;), typical of linnei and not so much in davisi. Since neither of these traits are typical of davisi, I'm more inclined towards linnei.
…
Bill Reynolds
, 22 November, 2010 - 2:47pm
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