Update: added more from east Texas in March 2008 at the bottom of the page:
These Sparkling Jewelwings Calopteryx dimidiata were two of at least fifteen seen on a small section of flowing creek on highway 13 c. 3 miles east of I59 near Lumberton, Pearl River County, Mississippi on June 01, 2007:
These were along Indian Creek west of Jasper, Jasper county, Texas in late March 2008: