Update September 09, 2007: added more at the bottom:
Lillypad Forktails Ischnura kellicotti at Sheldon Lake in Eastern Harris County on June 21, 2006:
a mature male:
an immature female:
Lillypad Forktails Ischnura kellicotti at Sheldon Lake Outdoor Learning Center in Eastern Harris County on September 08, 2007:
a mature female:
a presumed teneral male; note the yellow wings: