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Jacek Mazepa
Member Nathrius
Poland
7 Posts |
 Posted - 29/06/2015 : 14:09:54
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148.89 KB
Please help in identification.
This beetle got as Stenopterus flavicornis.
According to me it is mauritanicus. However, it comes from Croatia - is it possible?
Thank you for any help. |
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Francesco
Forum Admin
Luxembourg
9420 Posts |
Posted - 29/06/2015 : 21:04:12
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I am not even sure that it is a flavicornis: the elytral basis should be largely black.
According to me, it is an immature female of rufus.
Could you please insert a picture with the whole body?
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Jacek Mazepa
Member Nathrius
Poland
7 Posts |
Posted - 29/06/2015 : 21:10:55
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Ok, tomorrow I will photograph the entire insect.
Thank you very much for your interest.
Jacek |
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Pierre
Member Rosenbergia
Switzerland
1745 Posts |
Posted - 29/06/2015 : 21:57:16
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Flavicornis has only 2 swellings on the pronotal disc. This beetle shows a third central swelling.
S. mauritanicus is restricted to southern Spain and northern Africa; could it be an introduced specimen?
The remaining solution would be, and I agree with Francesco in this, a pale form of Stenopterus rufus. I have collected in southern France specimen which show a very reduced dark apex and yellow legs. In my opinion the colours of Stenopterus tend to vary a lot. |
Edited by - Pierre on 29/06/2015 22:22:35 |
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Jacek Mazepa
Member Nathrius
Poland
7 Posts |
Posted - 30/06/2015 : 08:32:48
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Pierre and Francesco - thank you very much for Yours help.
"Flavicornis has only 2 swellings on the pronotal disc. This beetle shows a third central swelling. S. mauritanicus is restricted this southern Spain and northern Africa"
..... well, and that is a problem. These 2 swellings on the pronotal disc characteristic S. mauritanicus. It certainly is not S.flavicornis - has a clear 3 swellings on the pronotal disc.
Include a picture of the whole insect. Maybe this will help?
I cordially greet - Jacek
154.27 KB |
Edited by - Jacek Mazepa on 30/06/2015 08:34:22 |
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Francesco
Forum Admin
Luxembourg
9420 Posts |
Posted - 30/06/2015 : 08:52:31
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According to me, it is S. rufus.
Notice that mauritanicus is probably a subspecies of rufus (even a chromatic form, according to Bahillo, 1992).
In fact, Sama (1955) did not find morphological characters between both species, except for the colour of the limbs (actually, rather variable in southern populations) and some weak features of the pubescence. |
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Jacek Mazepa
Member Nathrius
Poland
7 Posts |
Posted - 30/06/2015 : 09:04:04
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Thank you very much for your help. Everything indicates that this S.rufus.
In Spain there S.rufus and S.mauritanicus - how to distinguish a clear rufus variety of mauritanicus? - "Mauritanicus is probably a subspecies of rufus (even a chromatic forms, According To Bahillo, 1992" ..... and that's it
Again, thank you - Jacek
ps. have You this article in pdf Bahillo? |
Edited by - Jacek Mazepa on 30/06/2015 09:14:27 |
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Francesco
Forum Admin
Luxembourg
9420 Posts |
Posted - 30/06/2015 : 09:14:47
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According to Bahillo, who fucused his research on the Spanish Stenopterus, all examined characters, included the armatures of the internal sac, entry in the variability of S. rufus.
According to Sama, the species are geographically separated and differ in the colour of the limbs and in the conformation of the sclerites of the internal sac. However, the author did not explain which is the difference but furnished some incomprehensible drawings.
Lately, I will add both maps and the mentioned drawings.
quote:
Originally posted by Jacek Mazepa
ps. have You this article in pdf Bahillo?
Unfortuntely, I do not (it was published in Lambillionea), I read Sama's critics about. |
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Jacek Mazepa
Member Nathrius
Poland
7 Posts |
Posted - 30/06/2015 : 09:23:35
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Thank you very much for your help.
Then I type on the label S. rufus ssp.rufus.
Greetings - Jacek |
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Croatia, Stenopterus: rufus
