Diptera.info :: Identification queries :: Diptera (adults)
 Bibionidae ? --> Bibio cf. johannis
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| kuv |
Posted on 19-05-2013 12:11
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Member Location: Schenefeld near Hamburg Posts: 3798 Joined: 30.04.10 |
Dates: Germany, Schleswig-Holstein, Stadt Schenefeld, natural area near a small rivulet, 25 msm, Outsidefoto: kuv, 6th of May 2013. Please help. Kuv kuv attached the following image:  [191.78Kb] Edited by kuv on 21-05-2013 19:47 |
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| kuv |
Posted on 19-05-2013 12:17
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Member Location: Schenefeld near Hamburg Posts: 3798 Joined: 30.04.10 |
Second photograph:
kuv attached the following image:  [191.27Kb] |
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| kuv |
Posted on 19-05-2013 12:18
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Member Location: Schenefeld near Hamburg Posts: 3798 Joined: 30.04.10 |
Third photograph:
kuv attached the following image:  [197.58Kb] |
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| kuv |
Posted on 19-05-2013 12:19
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Member Location: Schenefeld near Hamburg Posts: 3798 Joined: 30.04.10 |
Fourth photograph:
kuv attached the following image:  [180.97Kb] |
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| John Carr |
Posted on 19-05-2013 12:41
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 Super Administrator Location: Colorado, USA Posts: 10696 Joined: 22.10.10 |
Bibio cf. johannis male. I don't know all the European species. In America we have dozens of species in total but only about five common and widespread spring species. |
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| Zeegers |
Posted on 19-05-2013 14:48
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Member Location: Soest, NL Posts: 19363 Joined: 21.07.04 |
I can support John from this side of the Atlantic Theo |
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| kuv |
Posted on 19-05-2013 21:33
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Member Location: Schenefeld near Hamburg Posts: 3798 Joined: 30.04.10 |
Thank you John and thank you Theo - so it's not possible to delete the "cf."? Kuv |
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| Sundew |
Posted on 20-05-2013 00:17
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 Member Location: Berlin and Baden-Württemberg, Germany Posts: 3939 Joined: 28.07.07 |
Keep also in mind Bibio femoralis (http://www.dipter...d_id=20163)! Regards, Sundew |
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| kuv |
Posted on 21-05-2013 13:27
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Member Location: Schenefeld near Hamburg Posts: 3798 Joined: 30.04.10 |
Thank you Sundew. - As Colobo wrote: "... the pear-shaped first tarsomere of hind leg, (...) is characteristic for this species. The black tip of hind tibia, and black tips of first and second tarsomeres of hind legs are also generally present in femoralis.", my specimen could be B. femoralis although there is no black tip of hind tibia (see also my enlargement photograph). Otherwise my fly looks for me very similarly to the B. joannis in the gallery of Diptera (also with pear-shaped first tarsomere of hind legs). Solution? Regards Kuv (Non-Expert) kuv attached the following image:  [24.59Kb] |
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| Sundew |
Posted on 21-05-2013 15:28
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Member Location: Berlin and Baden-Württemberg, Germany Posts: 3939 Joined: 28.07.07 |
These little ones are tricky. I checked my photo collection, and here is a combination of males that I consider B. femoralis and B. johannis, but with a "cf." to be on the safe side. Without a collected specimen sent to an expert we shall never be absolutely sure in these cases, and females are still much more difficult. However, the colour of the hind leg of your male fits B. johannis better, and the "pear" is a bit long, too, so "cf. johannis" would indeed be the best choice. I can live with the many "cf.s" in my photo collection! Sure, a substantiated name would be more satisfying, but compared to the knowledge of an average citizien ["Iiiieh - a biting insect - kill it!"] we are much closer to the genuine truth  .Best wishes, Sundew Sundew attached the following image:  [120.2Kb] Edited by Sundew on 21-05-2013 15:31 |
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| kuv |
Posted on 21-05-2013 19:45
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Member Location: Schenefeld near Hamburg Posts: 3798 Joined: 30.04.10 |
Hi Sundew, thank you - yes, I think you are very, very right!  - I 'll name my Bibio to Bibio cf. johannis  Best regards Kuv |
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