The following focus-stacked composite image shows a dorsal–lateral view of a Stygian Shadowdragon dragonfly (Neurocordulia yamaskanensis) exuvia collected by Freda van den Broek on 10 June 2019 along the St. Croix River in Interstate Park, Polk County, Wisconsin USA.
10 JUN 2019 | Polk County, WI | Stygian Shadowdragon (exuvia)
Notice the specimen has stubby mid-dorsal hooks along the length of its abdomen and lateral spines on abdominal segments eight (S8) and nine (S9).
Related Resources
- MYN – Stygian Shadowdragon exuvia (“one off,” focused on face-head)
- MYN – Focus-stacked composite image (focused on face-head)
Tech Tips
This subject was photographed against a pure white background (255, 255, 255) using the “Meet Your Neighbours” (MYN) technique.
Four (4) photos were used to create the composite image, including a single photo focused on the head, thorax, and two places along the abdomen (S6-S7 and S9-S10).
Copyright © 2020 Walter Sanford. All rights reserved.
Tags: BoG Photo Studio, dorsal hooks, exuvia, Family Corduliidae (Emeralds), lateral spines, Meet Your Neighbours, Neurocordulia yamaskanensis, studio photography, Stygian Shadowdragon dragonfly
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