Is the outer dark wing band irregularly shaped and narrower towards the back of the wings?	Does the outer wing have a dark band on the tip of the wing, and the abdomen has a chalky blue color to it?
Eight-spotted Skimmer Libellula forensis	Twelve-spotted Skimmer Libellula pulchella

Written by Mark Lung and Stefan Sommer, 2000
Photos by Dennis Paulson, 2001.