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Pierre
Member Rosenbergia
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Switzerland
1745 Posts |
Posted - 06/05/2012 : 07:48:52
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![](/public/imgforum/DSC7429.JPG)
Any idea what this beauty is? North Vietnam, 17 mm. |
Edited by - Xavier on 26/12/2014 10:06:54 |
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Francesco
Forum Admin
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Luxembourg
9416 Posts |
Posted - 13/06/2012 : 15:04:08
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Do all abdominal segments have the same length? |
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Pierre
Member Rosenbergia
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Switzerland
1745 Posts |
Posted - 13/06/2012 : 16:44:36
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No. There are 5 segments visible. The first is the longest and measures at least 40% of the abdominal length. Segments 2 and 3 about half as long as the first, the remaining ones very short. |
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Francesco
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Luxembourg
9416 Posts |
Posted - 13/06/2012 : 17:10:28
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They are typical characters of the Oxycoleini. It should be a Merionoeda, which is still (erroneously) considered as belonging to Stenopterini. But, Stenopterus has normal abdominal segments. For this reasons Merionoeda, should be transferred to another tribe, such as the European genus Callimus Mulsant, which belongs to the Hyboderini. |
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Pierre
Member Rosenbergia
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Switzerland
1745 Posts |
Posted - 13/06/2012 : 17:46:28
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Very interesting. This genus is rich of items... what about the subgenera? Do this one belong to the typical one, or to Macromolorchus / Ocytasia? |
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Francesco
Forum Admin
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Luxembourg
9416 Posts |
Posted - 13/06/2012 : 20:39:15
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This is the problem: the only subgenus Macromolorchus has the metatibiae with dense brush of hairs, but the habitus is somewhat stouter... |
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Xavier
Scientific Collaborator
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France
12065 Posts |
Posted - 26/12/2014 : 10:06:25
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I think it is Holangus ruficollis Pic, 1940. Picture type specimen here |
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Francesco
Forum Admin
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Luxembourg
9416 Posts |
Posted - 28/12/2014 : 11:35:23
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Ok: Holangus is a subgenus of Merionoeda (according to Gressitt, 1951).
...but Titan considers them as two different genera... I'm checking if there is a publication supporting this or it is about an error. |
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Francesco
Forum Admin
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Luxembourg
9416 Posts |
Posted - 28/12/2014 : 11:53:48
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This is based on Niisato & Lin (2013): "Holangus is an independent genus rather related to the genus Callimoxys."
BUT they should have written "Holangus n. status, or e.g. Holangus ruficollis rest. status; otherwise this combination is invalid according to the ICZN. Anybody has this paper? |
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nasa
Member Rosalia
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China
960 Posts |
Posted - 28/12/2014 : 15:26:16
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Dear Francesco, I have sent the paper to you by email, please take it! |
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Francesco
Forum Admin
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Luxembourg
9416 Posts |
Posted - 28/12/2014 : 16:04:23
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Thank you very much Nasa for this interesting paper.![](images/icon_smile_kisses.gif)
As supposed, the sentence "Holangus is an independent genus rather related to the genus Callimoxys" is a simple opinion and no taxonomic change was introduced.
Later, Danilevsky (2014) used this sentence in order to add further corrections to the catalog by Löbl & Smetana, but, again, no new combination was stated.
Thus, Holangus remains a subgenus of Merionoeda until further publications.
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Pierre
Member Rosenbergia
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Switzerland
1745 Posts |
Posted - 28/12/2014 : 20:27:51
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Thanks to all for your investigations. What a community of detectives! |
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