Diptera.info :: Identification queries :: Diptera (eggs, larvae, pupae)
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 Ephydridae (Hydrellia??) ID
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| flami |
Posted on 17-10-2017 15:23
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Member Location: Posts: 5 Joined: 13.10.17 |
Hi, is it possible to determine the specie of this larvae? I suppose they could be Hydrellia sp. I found them in a pond of Rome, Italy, feeding on Lemna minor. Pupation within the mine. The adults walk on the duckweed.
flami attached the following image:  [48.3Kb] Edited by flami on 17-10-2017 15:29 |
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| flami |
Posted on 17-10-2017 15:43
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Member Location: Posts: 5 Joined: 13.10.17 |
Larva feeding on Lemna minor.
flami attached the following image:  [45.72Kb] |
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| atylotus |
Posted on 17-10-2017 15:46
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 Member Location: Amsterdam, NL Posts: 1162 Joined: 29.05.09 |
Hello Flami, welcome to the forum looks like Hydrellia indeed, but ID to species level in most cases impossible. Perhaps Tony Irwin has a suggestion. He also did on my post/photo: https://diptera.i...to_id=5486 |
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| flami |
Posted on 17-10-2017 16:02
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Member Location: Posts: 5 Joined: 13.10.17 |
Hello atylotus, thank you for your answer! I have already read your post, and i found it very helpful. I suppose it could be a larva of Hydrellia albilabris or H. griseola, because of their distribution that includes Italy. I have other pictures of the puparium and the adult that could be helpful for the identification, but i have encountered some tecnical problems uploading them. |
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| flami |
Posted on 17-10-2017 16:45
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Member Location: Posts: 5 Joined: 13.10.17 |
Anal segment
flami attached the following image:  [70.13Kb] |
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| Tony Irwin |
Posted on 17-10-2017 16:54
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 Member Location: Norwich, England Posts: 7273 Joined: 19.11.04 |
This is very likely to be Hydrellia albilabris or griseola (the species most frequently associated with Lemna). They are easily distinguished as adults - see images in the gallery.
Edited by Tony Irwin on 17-10-2017 16:54 Tony ---------- Tony Irwin |
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| flami |
Posted on 17-10-2017 19:56
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Member Location: Posts: 5 Joined: 13.10.17 |
Thank you very much Tony for your suggestion! Here it is a picture of an adult. Maybe H. griseola? https://imgur.com... Edited by flami on 17-10-2017 19:59 |
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| Tony Irwin |
Posted on 18-10-2017 11:19
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Member Location: Norwich, England Posts: 7273 Joined: 19.11.04 |
Difficult to say while it is wet. But it looks very black, so I suspect albilabris.
Tony ---------- Tony Irwin |
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