Diptera.info :: Family forums :: Syrphidae
 Syrphidae (Syrphinae), Parasyrphus macularis/punctulatus, northern Norway
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| Geir79 |
Posted on 29-05-2011 12:08
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Member Location: Norway Posts: 689 Joined: 09.03.11 |
Is this a variation of a Parasyrphus species??? Have Nationalnyckeln with all recorded species for the Nordic countries, but could not find any similar. Close to 10 mm, found in a mixed forest area. Photo from 28.05.2011, Bodø, northern Norway. Curious about this one, so hope for any suggestions (maybe it's not possible to ID to species?). Geir79 attached the following image:  [67.34Kb] Edited by Geir79 on 29-05-2011 20:21 |
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| Geir79 |
Posted on 29-05-2011 12:09
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Member Location: Norway Posts: 689 Joined: 09.03.11 |
Second photo:
Geir79 attached the following image:  [90.1Kb] |
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| Geir79 |
Posted on 29-05-2011 12:12
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Member Location: Norway Posts: 689 Joined: 09.03.11 |
Third:
Geir79 attached the following image:  [66.03Kb] |
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| Geir79 |
Posted on 29-05-2011 12:14
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Member Location: Norway Posts: 689 Joined: 09.03.11 |
Last one:
Geir79 attached the following image:  [62.49Kb] |
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| Gerard Pennards |
Posted on 29-05-2011 13:12
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 Member Location: Amersfoort Posts: 1914 Joined: 07.06.04 |
Hey Geir, Yes, it's a Parasyrphus punctulatus 'female'. Sometimes quite a large part of a population of this species looks like this, or even with a totally black abdomen. Sometimes they are considered to be intersexes, so not completely female or male, that is the reason I put "female'in brackets like this. Otherwise it could be due to the fact that the temperature was too low during pupal stage, so than the animals tend to get darker, so called melanistic. Greetings, Gerard Greetings, Gerard Pennards |
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| Menno Reemer |
Posted on 29-05-2011 13:34
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Member Location: Posts: 343 Joined: 10.06.04 |
I'm not at all certain, but if I would be forced to make a guess I would rather say this is P. macularis. The pterostigma is too dark for P. punctulatus. Besides, the eyes seem to be somewhat pilose, which is usually seen in P. macularis, not in P. punctulatus (certainly not in females). But again: I'm not at all certain... |
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| Geir79 |
Posted on 29-05-2011 16:52
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Member Location: Norway Posts: 689 Joined: 09.03.11 |
Ok, thanks to both of you. I have photographed a couple of males at the same date, they seem to bee P. macularis, so guess that's the most likely species. Also, P. macularis have only been recorded once in northern Norway (it seems to be only on the southern coast of Norway normally) and P. macularis should be common, according to Nationalnyckeln... Might attach photo of what I think is a male P. macularis too: Geir79 attached the following image:  [71.62Kb] Edited by Geir79 on 29-05-2011 17:08 |
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| Menno Reemer |
Posted on 30-05-2011 10:25
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Member Location: Posts: 343 Joined: 10.06.04 |
Yes, this looks like a typical P. macularis. |
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| Geir79 |
Posted on 30-05-2011 10:31
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Member Location: Norway Posts: 689 Joined: 09.03.11 |
Thanks  Got the same answer on an Norwegian site (species recording database), so I guess the male is correctly identified (maybe not 100% sure, but close...) |
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