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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Butterflies and Moths (Lepidoptera) » Butterflies and Skippers (Papilionoidea) » Skippers (Hesperiidae) » Grass Skippers (Hesperiinae) » Moncini » Cymaenes » Fawn-spotted Skipper - Hodges#3997 (Cymaenes trebius)
Photo#158732
Clouded Skipper? - Cymaenes trebius
Copyright © 2007 Tom Bentley

Clouded Skipper? - Cymaenes trebius
Frontera Audubon, Hidalgo County, Texas, USA
November 25, 2007
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Contributed by Tom Bentley on 27 November, 2007 - 7:57pm
Last updated 22 September, 2010 - 8:23pm

Moved
Moved from Grass Skippers.
… Tom Bentley, 22 September, 2010 - 8:23pm login or register to post comments

ID Confirmation - Cymaenes trebius
I sent your image to Dr. Andrew D. Warren - who is one of the authors of the Butterflies of America website.
He confirmed the identification of Cymaenes trebius.

The binomen Cymaenes trebius is what is listed in (1).
The BugGuide site has this species posted as Cymaenes odilia.
… William Edwards, 22 September, 2010 - 5:23pm login or register to post comments

In my opinion - Cymaenes trebius
See Butterflies of America - Cymaenes trebius
Glassberg in a "Swift Guide to the Butterflies of Mexico and Central America" refers to the upper spot of the median band on the underside of the hindwing as being a violet square in what is Cymaenes odilia in his book on pg. 218.
In this same book Glassberg notes that in Lerema accius - there are white dashes on the costal margin of the forewing above the subapical spots.
See this field mark in Butterflies of America - Lerema accius

However I am definitely not an expert in the identification of this species - C. trebius.
I am familiar with and have seen lots of L. accius and at least to me your skipper looks too intricately patterned to be this species.
… William Edwards, 19 September, 2010 - 11:57am login or register to post comments

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