Dingy Purplewing (Eunica monima)

Compare to Florida Purplewing

(upper circular postmedian area has two spots, one of which is grayish white)

National Butterfly Center, Mission;, Hidalgo Co., Tx
June 30, 2007 (G Quintaniilla)

Bentsen-RGV State Park, Mission, Hidalgo Co., TX
November 21, 2002 (D Hanson)

Laguna Atascosa NWR, Rio Hondo, Cameron Co., TX
July 2, 2002 (R Lehman)