Diptera.info :: Identification queries :: Diptera (adults)
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 Which fly? (Palloptera ustulata)
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| ebbek |
Posted on 16-10-2015 18:52
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Member Location: SW Sweden, Halland Posts: 1428 Joined: 23.06.08 |
Here is a fly from a gravel pit in south Sweden 7 august. Body length about 4 mm. Thankful for help to ID. Regards Krister ebbek attached the following image:  [139.79Kb] Edited by ebbek on 17-10-2015 09:49 |
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| ebbek |
Posted on 16-10-2015 18:52
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Member Location: SW Sweden, Halland Posts: 1428 Joined: 23.06.08 |
Frontal view.
ebbek attached the following image:  [58.77Kb] |
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| Tony Irwin |
Posted on 16-10-2015 21:59
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 Member Location: Norwich, England Posts: 7222 Joined: 19.11.04 |
Palloptera ustulata female (Pallopteridae)
Tony ---------- Tony Irwin |
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| ebbek |
Posted on 17-10-2015 09:49
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Member Location: SW Sweden, Halland Posts: 1428 Joined: 23.06.08 |
Many thanks! Krister |
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| Paul Beuk |
Posted on 17-10-2015 16:19
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 Super Administrator Location: Netherlands Posts: 19311 Joined: 11.05.04 |
... or anderssomi. Still no reliable characters to separate these.
Paul - - - - Paul Beuk on https://diptera.info |
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| Tony Irwin |
Posted on 17-10-2015 18:09
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Member Location: Norwich, England Posts: 7222 Joined: 19.11.04 |
Doesn't the difficulty in separating ustulata and anderssoni only apply to individuals without wing-markings (i.e. anderssoni and teneral ustulata)? If it has markings then surely it can't be anderssoni? Very happy to be corrected .... 
Tony ---------- Tony Irwin |
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| Paul Beuk |
Posted on 18-10-2015 22:02
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Super Administrator Location: Netherlands Posts: 19311 Joined: 11.05.04 |
I had a nice series of 'ustulata' of the same locality and date, all with a well developed marking in the tip of the wing: 7 males of ustulata, 7 males of anderssoni, 7 females... The wing marking itself may display some geeographical variation and perhaps age variation, but it certainly tells you nothing about the species identity in a country like the Netherlands.
Paul - - - - Paul Beuk on https://diptera.info |
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| Tony Irwin |
Posted on 19-10-2015 10:12
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Member Location: Norwich, England Posts: 7222 Joined: 19.11.04 |
Thanks, Paul - I shall re-visit my ustulata more critically!
Tony ---------- Tony Irwin |
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| Paul Beuk |
Posted on 19-10-2015 11:14
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Super Administrator Location: Netherlands Posts: 19311 Joined: 11.05.04 |
You really need to. 
Paul - - - - Paul Beuk on https://diptera.info |
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