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Giant blue springtails not sure which species we have here.. Fall,Geotagged,United States Click/tap to enlarge Promoted

Giant blue springtails

not sure which species we have here..

    comments (6)

  1. View Ferdy Christant's profile
    Ferdy Christant
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    Uhm, wow again! Can you give a rough estimate of their size? Posted one year ago
    1. View morpheme's profile
      morpheme
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      I can probably figure it out exactly, as I know my lens was at its closest focal point - all I need do is photograph a ruler and I can calculate the magnification- but I’m at work, so it’ll be a little bit until I can get to it :) Posted one year ago
      1. View Ferdy Christant's profile
        Ferdy Christant
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        Sure, no rush. Reason I'm asking is that there's a Blue Giant springtail in Europe at about 9mm - 15mm. I wonder how it compares to that. In my shallow search I also see hobbyists keeping blue ones.

        Or, it could be a more common species that for some reason turned blue, I don't know. But somehow this one feels quite special.         Posted one year ago
        1. View morpheme's profile
          morpheme
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          The big one on the right is 4 mm - not nearly as big as yours! - but I think about 2x bigger than our typical springtails.

          I've found a local web site that indicates that they may be Pseudochorotes - but I don't think there's likely to be enough detail to tell which species.. They do seem to be a little larger than usual. Most of the ones I see are sized like the littlest one on the far left and are more what I would call purple, but it seems that a cyan blue is possible.
          http://10000thingsofthepnw.com/2021/11/21/pseudachorutes-complexus/           Posted one year ago, modified one year ago
          1. View Ferdy Christant's profile
            Ferdy Christant
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            I'm happy that the link includes a reference to...

            https://www.collembola.org/

            ...Frans Janssens is a rare authority on the subject. I contacted him once when I had a new springtail report in the Netherlands and he was very helpful. Worth a try to contact him if you're up for it. He might also be interested in using your photo.             Posted one year ago
  3. View Christine Young's profile
    Christine Young
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    That's a great shot! Posted one year ago

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View morpheme's profile

By morpheme

All rights reserved
Uploaded Dec 14, 2023. Captured Dec 13, 2023 14:53 in Pauls Trail, Tacoma, WA 98422, USA.
country flag of United States of America Explore United States of America 39,925 9,640 8
  • X-E2
  • f/1.0
  • 1s
  • ISO200
  • 50mm
Captured in the fall. More fall photos.

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