CSI: Dyke Marsh

You are looking at the scene of a brutal crime committed on 20 July 2016 at Dyke Marsh Wildlife Preserve. Look closely at the full-size version of the following photo. Do you see any forensic evidence that indicates what probably happened just before the photo was taken?

The preceding photo shows a Big Bluet damselfly (Enallagma durum) that was spotted along the Potomac River at Dyke Marsh Wildlife Preserve, Fairfax County, Virginia USA. This individual is a male, as indicated by his blue and black coloration and by his terminal appendages. Big Bluets prefer tidal bays and big rivers.

Related Resource: More Big Bluet damselflies is a blog post by Walter Sanford that features more photos of Big Bluet males as well as a mating pair.

Copyright © 2016 Walter Sanford. All rights reserved.

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