Gray Petaltail dragonfly (male)

The following Gray Petaltail dragonfly (Tachopteryx thoreyi) — spotted in a sunny clearing along a small stream in the forest at an undisclosed location in Prince William County, Virginia USA — is a male, as indicated by his “indented” hind wings, and terminal appendages.

14 JUN 2019 | PNC. William County, VA | Gray Petaltail (male)

Actionable Intel

I looked for Gray Petaltail for years without finding one. (Looking for love in all the wrong places?) For habitat-specific odonates such as T. thoreyi, it’s all about location, location, location. I was familiar with the standard guidance in all the field guidebooks regarding ideal habitat for Gray Petaltail, but it wasn’t until I actually saw the right habitat in the wild — and recognized it for what it is — that I began to find Grays in relatively large numbers. Book learning is good (as Jethro would say), but there’s no substitute for real-world experience.

For example, the following photograph shows a forest seep located at Occoquan Regional Park (ORP), Fairfax County, Virginia USA. The plant with broad green leaves is skunk cabbage (Symplocarpus foetidus). This is ideal habitat for T. thoreyi, and in fact, one or more “Grays” were observed along a sunny trail near this location, including a male that landed on my friend Mike Powell.

01 JUN 2019 | ORP | forest seep, with skunk cabbage

The following quote is perhaps the best description of a forest seep that I’ve read.

[Some] small tributaries … have their sources in numerous woodland seeps. While a few of these perennial springs bubble up out of the ground, most arise in moist hillside patches with lots of decaying leaf litter and luxuriant stands of skunk cabbage. Source Credit: White, Harold B., III. Natural History of Delmarva Dragonflies and Damselflies (Cultural Studies of Delaware and the Eastern Shore) (Kindle Locations 1213-1215). University Press Copublishing Division. Kindle Edition.

Related Resources

Copyright © 2019 Walter Sanford. All rights reserved.

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