aburr

I think the following link is a bit better identification
http://bugguide.net/node/view/208907/bgi...
Twelve-spotted Skimmer - Libellula pulchella

That is indeed ginger
Alpina purpurata,
red ginger,
Also known in Hawaii as
awapuhi ula ula.
It's an ornamental that has become naturalized in the Hawaiian Islands.
Originally from the South Pacific, varies in color from red to pink.

Thank you