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Dogday Cicadas (Neotibicen)
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Linné's Annual Cicada (Neotibicen linnei)
Photo#145020
Copyright © 2007
S3
Tibicen sp. -
Neotibicen linnei
North Carolina, USA
Size: 2"inches
Images of this individual:
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Contributed by
S3
on 11 September, 2007 - 8:32pm
Last updated 14 September, 2007 - 4:06pm
I'm just learning...
Could you explain why this is linnei (vs. pruinosa for example)? Thanks!
…
Steve Pelikan
, 13 September, 2007 - 8:34pm
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Tibicen linnei vs. T. pruinosus & other similar Tibicen species
There is a site listed at the end of this message - please refer to this site for a detailed explanation for species identification and separation.
There is a line bisection test implementing the wing veins as "mappable" characters. This test is used to separate T. linnei from T. pruinosus (and other related Tibicen species). Keep in mind this test was designed using material collected in the upper Midwest; however, this test seems to be challenged when applied to Taxa in the Southeast. I have noticed that while the point of bisection varies in T. pruinosus specimens, it nearly always bisects the cell somewhere across the last third or quarter of the wing cell beyond the junction of the Sc & C (Midwestern conventions suggest no bisection at all). In contrast the line will bisect near or before the junction of the Sc (Sub-costal)& C (Costal) in all T. linnei I have examined from all parts of this species' range.
Please refer to the following site for wing test - scroll down and you'll see diagrams explaining which veins are used.
http://insects.ummz.lsa.umich.edu/fauna/Michigan_Cicadas/Michigan/key.html
Feel free to contact me for additional images of these species to help clarify other traits used in comparisons.
…
Bill Reynolds
, 22 March, 2009 - 5:56pm
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Tibicen linnei
The color contrast is a bit excessive.
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Andy Hamilton
, 13 September, 2007 - 3:28pm
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The contrast was toned down f
The contrast was toned down from the original photo. The halo effect is caused by merging different exposures together, which i haven't figured out how to get rid of yet.
…
S3
, 13 September, 2007 - 8:38pm
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