Celia's Roadside-Skipper (Amblyscirtes celia)
There is one record of this species in Louisiana.  Gayle Strickland and Kilian Roever reported one in Cameron Parish in the 1970s.  These are two very reliable observers.  The photo below is from south Texas.
Celia's Roadside-Skipper
Old Hidalgo Pumping Station, Hidalgo County, TX, October 22, 2009