These Paiute Dancers Argia alberta were a sample of the large numbers present in the large watery swale below the dam at Lake Balmorhea, Reeves county, Texas on May 27 and 29, 2006:
a male with "blunt" humeral stripe, posteriorly:
Another "blunt" male, but note that on the dorsum of segment 2 the blue is widely interrupted by black:
A mature female (with thinly forked humeral stripe):
