Males have turquoise blue sides of thorax, abdomen mostly black, segments 8 and 9 are blue. (1)
Springs, rivers, seepages, bogs
Guide TBA--PC (more on id--details from Lam)
Skimming Bluet, Slender Bluet
Dunkle, Fig. 78, 78, pp. 108-109 (1)
Giff Beaton's page on Pond Damsels
, including Turquoise Bluet.