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Dark form - Horama panthalon

Dark form - Horama panthalon
Bentsen State Park, Hidalgo County, Texas, USA
December 22, 2006
Size: approximately 5/8"
Would appreciate help in identifying this moth. One suggestion is that it is an atypical form of Texas Wasp Moth (Horama panthalon). There were several panthalons in the area where this one was photographed but this one seemed a bit larger. Any help appreciated.


Loren and Babs Padelford
Bellevue, NE

Images of this individual: tag all
Dark form - Horama panthalon Dark form - Horama panthalon

Moved from Moths.

I Received This Response From Ed Knudson.....
.... probably the foremost authority on moths of the Rio Grande Valley.

"From what I can tell from the photos this a color morph of Horama panthalon texana. I have taken it before, but rare among the abundant "normal" form. There are three other species that do or might occur in TX. All can be told part by the color of the first abdominal tergite. In texana, this has a single white stripe followed by orange; in H. oedippus (which is not known from the USA), there are two white stripes, divided by a black stripe; in H. plumipes, there are white spots on black; and in Poliapastea clavipes, there is an orange band followed by a small white median dash. Also, both oedippus and plumipes are bluish black in color and P. clavipes is smaller in size. All of these can have melanistic forms."

These photos should be filed with Horama panthalon texana and perhaps be noted as "dark form." I thank Ed Knudson for sharing his expertise in this matter.

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