Diptera.info :: Identification queries :: Diptera (adults)
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 Small anthomyid (male) - Delia? (Maybe Phorbia nuditibia)
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| ebbek |
Posted on 07-01-2019 18:44
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Member Location: SW Sweden, Halland Posts: 1440 Joined: 23.06.08 |
Anthomyidae I think - is it possible to get clooser? Body length 3,5 mm. From a sandy, coastal area in south Sweden 23 april. Sorry for bad pictures! I can try to make better later if it helps. ebbek attached the following image:  [70.13Kb] Edited by ebbek on 09-01-2019 12:25 |
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| ebbek |
Posted on 07-01-2019 18:45
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Member Location: SW Sweden, Halland Posts: 1440 Joined: 23.06.08 |
Other view.
ebbek attached the following image:  [51.72Kb] |
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| ebbek |
Posted on 07-01-2019 18:45
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Member Location: SW Sweden, Halland Posts: 1440 Joined: 23.06.08 |
other view.
ebbek attached the following image:  [66.51Kb] |
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| ebbek |
Posted on 07-01-2019 18:46
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Member Location: SW Sweden, Halland Posts: 1440 Joined: 23.06.08 |
And another.
ebbek attached the following image:  [80.49Kb] |
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| javanerkelens |
Posted on 08-01-2019 00:26
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 Member Location: Netherlands Posts: 2962 Joined: 18.10.07 |
I need some time to look at this one.......and rule out some possibilities. Johanna |
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| ebbek |
Posted on 08-01-2019 10:22
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Member Location: SW Sweden, Halland Posts: 1440 Joined: 23.06.08 |
Ok, thanks for respons! Tell me if if you need to see more details. Krister |
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| Nikita Vikhrev |
Posted on 08-01-2019 17:34
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 Member Location: Moscow, Russia Posts: 9331 Joined: 24.05.05 |
Krister, check Egle
Nikita Vikhrev - Zool Museum of Moscow University |
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| ebbek |
Posted on 08-01-2019 18:46
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Member Location: SW Sweden, Halland Posts: 1440 Joined: 23.06.08 |
Thanks! Here is a better picture of genitalia. I have no experience but I am not sure it fits so well to Egle? Krister ebbek attached the following image:  [82.85Kb] |
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| javanerkelens |
Posted on 08-01-2019 23:20
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Member Location: Netherlands Posts: 2962 Joined: 18.10.07 |
At first sight, I think this could be Phorbia nuditibia. The lower side of the scutellum should be without the typical small hairs for Anthomyiidae and midtibia without av seta. Johanna |
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| ebbek |
Posted on 09-01-2019 12:24
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Member Location: SW Sweden, Halland Posts: 1440 Joined: 23.06.08 |
Interesting - nuditibia is not recorded in Sweden so far after what I can see (if there isn´t a synonyme that could be used in the Swedish species list). I can´t see any small hairs on lower side of scutellum. But I am not sure about av seta on midtibia as I have problem to recognise it. I will try to get a photo on mid tibia in a while. What is the cloosest alternative to nuditibia? Krister Edited by ebbek on 09-01-2019 12:26 |
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| javanerkelens |
Posted on 09-01-2019 13:00
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Member Location: Netherlands Posts: 2962 Joined: 18.10.07 |
I think we can be sure it is Phorbia. Looking at the shape of the phallus in combination with the shape of the V sternite and cerci/surstyly, I only can say for now...it most resemble P. nuditibia. (which is a valid name) and till now only found in Britain. Could I make a mistake with a similar species.....yes, because identification from photos always can be tricky! In this case, I could be mistaken with P. moliniaris but than there should be a strong pv apical on the hind tibia (which is not present in P. nuditibia). Just take your time with this one.....if you can you can make some more photos, but when it gets to difficult....just send it to me. Johanna |
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| ebbek |
Posted on 09-01-2019 13:24
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Member Location: SW Sweden, Halland Posts: 1440 Joined: 23.06.08 |
Yes, I really understand that it is difficult to say for sure from photos - and appreciate your good help! Mostly I deal with Hymenoptera and I have a lot to learn about Diptera morphology, and for me it is very difficult to localize different seta on the legs so far. Here is a photo on hint tibia - is it good enough? Krister ebbek attached the following image:  [82.17Kb] |
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| ebbek |
Posted on 09-01-2019 13:26
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Member Location: SW Sweden, Halland Posts: 1440 Joined: 23.06.08 |
And here a photo of mid tibia.
ebbek attached the following image:  [188.43Kb] |
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| javanerkelens |
Posted on 09-01-2019 13:55
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Member Location: Netherlands Posts: 2962 Joined: 18.10.07 |
I can't see it properly, so I think I will make some microscopic photos of those hairs. If you know where to look at, it will be easier to find it. It will take some time (maybe a week or longer) .....but the fly it pinned, so it will not fly away in the meantime.  Johanna |
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| ebbek |
Posted on 09-01-2019 14:45
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Member Location: SW Sweden, Halland Posts: 1440 Joined: 23.06.08 |
Thanks a lot - it would be very informative for me! And no hurry at all! Krister |
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| javanerkelens |
Posted on 16-01-2019 15:45
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Member Location: Netherlands Posts: 2962 Joined: 18.10.07 |
It is a long time ago, having posted a photo on Diptera.info, so I hope it will show.. I have made a drawing instead of photos. On this drawing we can see the position of the setae on the tibia. In your case we have to look for the av seta on the midtibia and the apical pv seta…...which both should not be present. In Phorbia moliniaris there are two ad setae present (one strong and one above which is les strong) and one av seta on the midtibia…….and a small short but strong apical pv seta (which is very difficult to see) If you still have some doubts to interpret those setae…...just try to collect coming spring more specimen and send them to me. I hope this will help for now…. Johanna javanerkelens attached the following image:  [287.12Kb] Edited by javanerkelens on 16-01-2019 15:49 |
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| ebbek |
Posted on 19-01-2019 17:16
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Member Location: SW Sweden, Halland Posts: 1440 Joined: 23.06.08 |
Great - many thanks, and very illustrative! I will study the fly clooser later and tell the result. Krister |
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