More previews of coming attractions

Several Autumn Meadowhawk dragonflies (Sympetrum vicinum) were spotted during photowalks at two wildlife watching parks located in Northern Virginia (suburban Washington, D.C.). All specimens are teneral, as indicated by their coloration and the tenuous appearance of their wings.

Occoquan Bay National Wildlife Refuge

During mid-June 2016, a single Autumn Meadowhawk was spotted at Painted Turtle Pond, Occoquan Bay National Wildlife Refuge, Prince William County, Virginia USA. This individual is a teneral female, as indicated by its terminal appendages.

Female abdomens are slightly thicker than those of males and noticeably flared toward both the thorax and tip of the abdomen. The “subgenital plate,” located under the ninth abdominal segment (S9), is a large scoop-like structure used for laying eggs (exophytic oviposition).

18 JUN 2016 | OBNWR | Autumn Meadowhawk (teneral female)

The dragonfly is perching on “soft rush” (Juncus effusus), the common name for the shoreline/emergent plant with a light green round stem and brownish flowers shown in the preceding photo. Soft rush is common in wetland areas. Thanks to Christopher Wicker and Bonne Clark, naturalists at OBNWR, for identifying the plant.

Huntley Meadows Park

About one week later, many teneral Autumn Meadowhawks were spotted at a vernal pool in Huntley Meadows Park, Fairfax County, Virginia USA.

The first individual is a teneral female, perching on soft rush.

24 JUN 2016 | HMP | Autumn Meadowhawk (teneral female)

The next specimen is also a teneral female.

24 JUN 2016 | HMP | Autumn Meadowhawk (teneral female)

The following individual is a teneral male, as indicated by his terminal appendages.

24 JUN 2016 | HMP | Autumn Meadowhawk (teneral male)

The last specimen is another teneral male.

24 JUN 2016 | HMP | Autumn Meadowhawk (teneral male)

Editor’s Notes: This post is a belated companion piece for Previews of coming attractions, published on 04 June 2016, that documented teneral Blue-faced Meadowhawk dragonflies (Sympetrum ambiguum) observed during late-May 2016. About two weeks later, the first teneral Autumn Meadowhawks were observed.

Both Blue-faced Meadowhawks and Autumn Meadowhawks are classified as fall species of odonates. In the mid-Atlantic United States, meadowhawks seem to disappear for several months after they emerge during early summer and reappear during fall. Where do they go? No one knows for sure. I speculate Blue-faced Meadowhawks and Autumn Meadowhawks are arboreal species of dragonflies that return to the ground/water when it’s time to mate.

Related Resources:

• Previews of coming attractions – first sighting of teneral Blue-faced Meadowhawks in 2016
• Return to terra firma – first sighting of adult Blue-faced Meadowhawks in 2016
• Now playing at a theater near you… – first sighting of adult Autumn Meadowhawks in 2016 [next post]

Copyright © 2016 Walter Sanford. All rights reserved.

Tags: arboreal, Autumn Meadowhawk dragonfly, Huntley Meadows Park, immature female, immature male, Occoquan Bay National Wildlife Refuge, Painted Turtle Pond, Skimmer Family, Sympetrum vicinum, teneral, vernal pool, wetlands, wildlife photography