Post update: Tachopteryx thoreyi exuvia

I just updated an older blog post in order to correct a label for an anatomical structure that was mislabeled, plus I added some new information.

The updated annotated image is shown below.

No. 2 | Gray Petaltail (Tachopteryx thoreyi) | exuvia (dorsal)

While I was editing the photo, I noticed something I hadn’t seen before — a large dorsal hook of abdominal segment nine (S9) that overhangs segment 10 (S10). This time I’m fairly sure the structure is correctly called a dorsal hook.

Related Resource: Tachopteryx thoreyi exuvia, an updated version of a blog post by Walter Sanford.

Copyright © 2021 Walter Sanford. All rights reserved.

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2 Responses to “Post update: Tachopteryx thoreyi exuvia”

  1. Wally Jones Says:

    One of my projects this season is to locate and successfully photograph exuvia. Off to a poor start so far! I’ve found a couple of great-looking spots and hopefully they’ll produce as the season progresses.
    Thank you for the motivation!

    • waltersanford Says:

      Pick the low hanging fruit first. Look around the edges of ponds and lakes where there are lots of skimmer dragonflies — their exuviae are relatively easy to find but DIFFICULT to identify to the species level.

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