Teleus Longtail (Urbanus teleus)

Compare to Brown Longtail

(note bands of reflective black on hindwing and white at base of clubs)

Santa Ana NWR, at old manager's residence, Alamo,
Hidalgo Co., Tx, November 1, 2007 (Bob Yukich)

(note triangular spot at bottom of band)

Santa Ana NWR, at old manager's residence, Alamo,
Hidalgo Co., Tx, November 1, 2007 (Bob Yukich)

(note white at base of clubs, strong band, and triangular spot and bottom of band)

Santa Ana NWR, at old manager's residence, Alamo,
Hidalgo Co., Tx, November 1, 2007 (Bob Yukich)

(male)

Santa Ana NWR, Alamo, Hidalgo Co., TX
April 11, 2003 (D Hanson)

(female Teleus, not Tanna)

Boca Toma II, nr. Gomez Farias, Tamaulipas, MX. 
February 16, 2003 (R Lehman)