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BugGuide Gathering
Smoky Mountains
University of Tennessee Biological Field Station
August 8-10, 2008
 
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Photo#38154
Which snout butterfly? - Libytheana carinenta

Which snout butterfly? - Libytheana carinenta
Williamson County, Texas, USA
November 27, 2005
This butterfly appeared very dark in flight, and immediately folded up on landing; I was unable to get very close because it was in an elbowbush surrounded by cactus. However, the pattern on the underwing looks more intricate than those in the books, and more than the other snout butterfly I've seen around here (which is a plain gray-brown with minimal markings on the folded wings. The weather was cool (40s) with a brisk north wind.

American Snout
Libytheana carinenta, dark variant

I have no idea
But here is a reference that may help you sort it out.

 
Alas...no images...
...that I can find of the subspecies mentioned in this reference. This individual's underwings are definitely darker and more patterned than those of the "main" American snout, _Libytheana carinenta_ (Cramer) in the images I've seen here and elsewhere, and the impression in flight was of a dark (almost black) butterfly, not flashing the orange patches of a typical American snout.

If anyone can suggest a site with images of _L.bachmanii larvata_ (Strecker)or _L. carinenta mexicana_ as mentioned in the reference Lynn gave, I'd appreciate it.

 
Snouts
Scott does not believe in more than one species in Texas and felt that all the subspecies blended characteristics across a cline for shapes and colors of the wings. He determined this by extensive dissection apparently. And to complicate things more all the subspecies have two forms. Michener, whose work preceded Scott, felt there were two species but that sounds doubtful from Scott's studies.

 
Thanks...
..this one sure didn't look like the ones I saw earlier in the year, but I'm willing to accept that it's just a variant.

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