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 Which Xylota? (2+2 pics)
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| Rupert Huber |
Posted on 18-07-2009 18:53
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 Member Location: Posts: 642 Joined: 19.07.07 |
Hello to all! Are these both Xylota segnis? Their sizes were between 12 and 15mm. The female made a very nervous impression, changing flowers every few seconds and disappearing soon. The male as one knows them ran around on the leaves, to my benefit having some breaks, so that I could take some pics. 11 July 2009, Austria, Salzburger Land, Russbach am Pass Gschütt, about 860m asl Greetings Rupert 1st (female) Edited by Rupert Huber on 18-07-2009 18:54 |
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| Rupert Huber |
Posted on 18-07-2009 18:53
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Member Location: Posts: 642 Joined: 19.07.07 |
2nd (female) |
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| Rupert Huber |
Posted on 18-07-2009 18:54
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Member Location: Posts: 642 Joined: 19.07.07 |
3rd (male) |
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| Rupert Huber |
Posted on 18-07-2009 18:55
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Member Location: Posts: 642 Joined: 19.07.07 |
4th (male) |
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| lagura |
Posted on 19-07-2009 00:14
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 Member Location: Posts: 1241 Joined: 24.10.08 |
The first two I don't know, but #3 and 4 is X. segnis.
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| pierred |
Posted on 19-07-2009 07:42
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 Member Location: Posts: 1413 Joined: 21.04.05 |
Xylota segnis is always found on leaves.
Pierre Duhem |
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| Rupert Huber |
Posted on 19-07-2009 12:08
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Member Location: Posts: 642 Joined: 19.07.07 |
Thanks to both of you! For #3 and 4 I had only the doubts of one who made the experience to be wrong when being sure  @Pierre: Yes, except for having lunch, as I suppose, so I think this should not exclude it for the one on pics #1 and 2. Greetings Rupert |
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| pierred |
Posted on 19-07-2009 15:52
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Member Location: Posts: 1413 Joined: 21.04.05 |
Rupert, I have read that they feed on pollen deposited on leaves by the wind. Pierre Duhem |
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| Andre |
Posted on 20-07-2009 15:51
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 Member Location: Posts: 2111 Joined: 18.07.04 |
Nrs 1 and 2 need to be collected for a solid ID. |
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| Rupert Huber |
Posted on 20-07-2009 19:48
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Member Location: Posts: 642 Joined: 19.07.07 |
Andre wrote: Nrs 1 and 2 need to be collected for a solid ID. So that's why it was so nervous, but it was lucky enough that it was only me who takes nothing but pictures Can you narrow down the range a bit... with the reddish front part of the abdomen and the legs' colour I think I can exclude all of those with pictures in the "Kormann" and in the gallery here (except segnis), so that from the Bavarian list remain abiens, florum, and tarda. For Austria I couldn't find a list, but the location was not very far away from Bavaria (30 kms east), so that there shouldn't be many more species. pierred wrote: I have read that they feed on pollen deposited on leaves by the wind. Could be, if they don't need too much energy. Kormann writes in his book (which actually lied to me more than once till now) that they (X. segnis) sometimes visit Angelica, Rubus, Ranunculus and Euphorbia, but nothing about Apiaceae, as mine did here. So the location actually might be a hint away from segnis. Thank you so far and best greetings Rupert |
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| Andre |
Posted on 21-07-2009 08:55
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Member Location: Posts: 2111 Joined: 18.07.04 |
Kormann probably is talking about the flowers, not the leaves. Segnis can be found on many surfaces. About 1 and 2: tarda seems a good candidate, because the spots look reddish and devided into spots, rather than bands like in segnis. Also the spines on the hind femur look small instead of long (long in segnis). Hope this helped a bit? |
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| Rupert Huber |
Posted on 21-07-2009 11:20
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Member Location: Posts: 642 Joined: 19.07.07 |
Thank you very much, Andre! This is much more than I hoped for. So I'm gonna take it as X. cf. tarda Andre wrote: Kormann probably is talking about the flowers, not the leaves. Sure, that was what I was writing about, but perhaps not expressed clearly enough. And it was already about #1 and 2, being on the flower of an Apiaceae, what might give a hint not to be segnis (now, of course, you gave the much better hints  )Concernig #3 and 4 there is not any doubt left for me that it's a segnis. Thanks again and greetings Rupert |
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| Andre |
Posted on 21-07-2009 12:38
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Member Location: Posts: 2111 Joined: 18.07.04 |
Good!!! |
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