Mocha Emerald dragonflies (in flight)

The preceding gallery shows Mocha Emerald dragonflies (Somatochlora linearis) spotted on 25 July 2012 flying along an intermittent stream running through the “Wildlife Sanctuary,” one of seven small parks owned and maintained by the Community Association of Hollin Hills, Fairfax County, Virginia USA.

The adult flight period for Mocha Emerald dragonflies seems to be approximately one month for this location, centered on mid-July.

Mature Mocha Emerald dragonflies have emerald green eyes, as their name suggests — don’t be fooled by the play of light from the camera flash off the 30,000 facets in each of the dragonfly’s compound eyes! Speaking of the play of light, the “sparkling bokeh” background was caused by out-of-focus points of light reflected from the water surface about one- to two feet below the dragonflies.

Copyright © 2014 Walter Sanford. All rights reserved.

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