Diptera.info :: Identification queries :: Diptera (adults)
 Hybomitra nigricornis
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| Morten A Mjelde |
Posted on 11-08-2025 22:52
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Member Location: Posts: 6355 Joined: 29.11.15 |
Need some help with this one.... Found in a mountainous area in Southern Norway at about 1300 meters above sea level. About 12 mm.
Morten A Mjelde attached the following image:  [301.36Kb] Edited by Morten A Mjelde on 17-08-2025 19:00 |
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| Morten A Mjelde |
Posted on 11-08-2025 22:52
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Member Location: Posts: 6355 Joined: 29.11.15 |
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Morten A Mjelde attached the following image:  [290.12Kb] |
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| Morten A Mjelde |
Posted on 11-08-2025 22:53
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Member Location: Posts: 6355 Joined: 29.11.15 |
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Morten A Mjelde attached the following image:  [296.17Kb] |
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| Morten A Mjelde |
Posted on 11-08-2025 22:54
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Member Location: Posts: 6355 Joined: 29.11.15 |
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Morten A Mjelde attached the following image:  [299.71Kb] |
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| Morten A Mjelde |
Posted on 14-08-2025 18:58
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Member Location: Posts: 6355 Joined: 29.11.15 |
Could this be a dark version of H. montana? Morten |
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| Zeegers |
Posted on 15-08-2025 09:07
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Member Location: Soest, NL Posts: 19171 Joined: 21.07.04 |
No, it is one of those brown-palped species, I need to check the literature. Theo |
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| Zeegers |
Posted on 15-08-2025 09:08
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Member Location: Soest, NL Posts: 19171 Joined: 21.07.04 |
Or it might be nigricornis, which can have non-black antenna.... |
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| Morten A Mjelde |
Posted on 15-08-2025 18:53
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Member Location: Posts: 6355 Joined: 29.11.15 |
Ok. Thank you very much for your help! Morten |
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| Morten A Mjelde |
Posted on 15-08-2025 20:08
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Member Location: Posts: 6355 Joined: 29.11.15 |
Isn't the third antennal segment too wide to be nigricornis? Morten Edited by Morten A Mjelde on 15-08-2025 22:32 |
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| Zeegers |
Posted on 16-08-2025 15:10
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Member Location: Soest, NL Posts: 19171 Joined: 21.07.04 |
I am confused by the colour of the palpus, one pic shows yellow, one seems to show brown ? The costal cell is clearly yellow, which excludes polaris. So it is nigricornis (palpus yellow) or borealis (palpus brown). Otherwise, these two are very similar. Theo |
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| Morten A Mjelde |
Posted on 16-08-2025 21:09
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Member Location: Posts: 6355 Joined: 29.11.15 |
Thanks! To me it looks more brown than yellow. But it depends on how yellow or brown it should be.
Morten A Mjelde attached the following image:  [284.98Kb] Edited by Morten A Mjelde on 16-08-2025 21:12 |
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| Zeegers |
Posted on 17-08-2025 08:05
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Member Location: Soest, NL Posts: 19171 Joined: 21.07.04 |
OK so it is yellow with very black hairs, hence nigricornis. This species is much more variable than the books suggest, in my experience |
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| Morten A Mjelde |
Posted on 17-08-2025 19:00
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Member Location: Posts: 6355 Joined: 29.11.15 |
Ok thanks again! Morten |
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