TEXAS: Kinney Co; Fort Clark Springs - May 2022
TEXAS: Val Verde Co; on US 90 west of Langtry - June 2020
TEXAS: Hidalgo Co; National Butterfly Center - July 2017
TEXAS: Val Verde Co; west of Langtry - June 2017
TEXAS: Hidalgo Co; National Butterfly Center - July 2016
TEXAS: Kinney Co; Brackettville - May 2016
TEXAS: Gonzales Co; Independence Park on Guadalupe River - July 2015
TEXAS: Kinney Co; Brackettville, my house - hatchling - July 2013
TEXAS: Kinney Co; Brackettville, my house - ovipositing female - July 2012
TEXAS: Hidalgo Co; National Butterfly Center - May 2012
TEXAS: Kinney Co; Brackettville - male - August 2011
TEXAS: Kinney Co; Brackettville - egg-laying female - April 2011
TEXAS: Kinney Co; Brackettville - male - November 2010
TEXAS: Uvalde Co; Cook's Slough Nature Park - male - May 2010
TEXAS: Edwards Co; Camp Wood Hills - female - April 2010
TEXAS: Hidalgo Co; Santa Ana NWR - male - September 2009
TEXAS: Hidalgo Co; Santa Ana NWR - female - September 2009
TEXAS: Hidalgo Co; Bentsen-Rio Grande Valley State Park - male - September 2009
TEXAS: Bexar Co; Medina River - female - July 2009
MEXICO: Nuevo Leon; near La Ascension - juvenile - August 2008
(by range map, is S. olivaceus but has some characteristics of S. spinosus)
TEXAS: LaSalle Co; near Valley Wells - males - May 2007
TEXAS: Val Verde Co; Pandale (paved) Road - April 2007
TEXAS: Dimmitt Co; near Carrizo Springs - female - May 2003 (scan from slide)
TEXAS: Wise Co; LBJ National Grasslands - female - April 1998 (scan from slide)