The Pale Snaketail (Ophiogomphus severus) below were photographed in Montana during late August 2015. The male and female are worn and were found flying along a mountain stream.
Pale Snaketail- Female- Montana
Pale Snaketail, female; dorsal side; from Montana
Pale Snaketail, female, sub-genital plate; from Montana
Pale Snaketail, male, lateral view from Montana
Pale Snaketail, male, lateral view from Montana
Pale Snaketail, male cerci from Montana
Pale Snaketail, male, dorsal view from Montana