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 Flies aggregating at salty creek --> Ephydridae, cf. Halmopota salinaria
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| Tina S |
Posted on 09-12-2020 03:13
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 Member Location: Germany Posts: 139 Joined: 15.01.16 |
Hello everyone, last October I watched flies in conspicuous densities at a salty creek (foot of a Potash mountain, salt mining). Unfortunately, I couldn't get nearer (I sank in almost to my knees, a friend had to pull me out of this mud!). Despite this, can you say something to these flies? Are they maybe associated to the salty water? Data: Germany, Lower saxony, Sehnde, Kaliberg, 60 m, 10 October 2020. Best wishes, Tina. Tina S attached the following image:  [270.06Kb] Edited by Tina S on 09-12-2020 21:05 |
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| Tina S |
Posted on 09-12-2020 03:14
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Member Location: Germany Posts: 139 Joined: 15.01.16 |
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Tina S attached the following image:  [188.39Kb] |
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| Tina S |
Posted on 09-12-2020 03:14
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Member Location: Germany Posts: 139 Joined: 15.01.16 |
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Tina S attached the following image:  [195.31Kb] |
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| Roger Thomason |
Posted on 09-12-2020 10:30
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 Member Location: Mossbank,Shetland Isles. Posts: 5247 Joined: 17.07.08 |
Ephydridae, some Hydrellia sp I would think... |
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| Tony Irwin |
Posted on 09-12-2020 12:26
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 Member Location: Norwich, England Posts: 7193 Joined: 19.11.04 |
They do look like Ephydridae, but I think it is more likely that they are Halmopota salinaria
Tony ---------- Tony Irwin |
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| Tina S |
Posted on 09-12-2020 21:08
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Member Location: Germany Posts: 139 Joined: 15.01.16 |
Thank you Roger and Tony, this is more than I'd been hoping for! Halmopota salinaria sounds like it would need the salty water? Do they reproduce inside the water or mud? Best wishes and thank you in advance, Tina. |
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| Tony Irwin |
Posted on 10-12-2020 15:11
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Member Location: Norwich, England Posts: 7193 Joined: 19.11.04 |
Sadly, it's not a species I've found, but my understanding is that the larvae live in mud or slime, probably feeding on algae like diatoms and desmids. They are associated with saline conditions, and I don't think they occur in any freshwater habitats.
Tony ---------- Tony Irwin |
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but don't see the image in the post.
