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Francesco
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Luxembourg
9402 Posts |
Posted - 02/10/2013 : 18:46:40
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![](/public/imgforum/Francesco/2013102183920_$T2eC16dHJG!FFm2LOjTuBSKkWm4l0g~~60_12.JPG) 76.96 KB
I have recently bought this specimen from Baltic amber and I ask for your opinion. Later I will insert further pictures.
Body size: 3.5 mm. The insect belongs to the Cerambycidae, though this picture could give an erroneous idea. The head exactly corresponds to that of the genus Tetrops (hypognathous, forehead convex, eyes completely divided in 2 parts), but the pronotum seems to belong to Callidium (flat above, densely punctures). I can not even even recognize the subfamily... Any suggestion is agreed. |
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Francesco
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Luxembourg
9402 Posts |
Posted - 04/10/2013 : 19:12:52
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![](../public/imgforum/Francesco/2013104191229_ambra.JPG) 374.09 KB
Particular of the head |
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cerambyphil
Member Rosalia
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France
675 Posts |
Posted - 05/10/2013 : 22:08:05
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N'existe t-il pas un moyen chimique pour dissoudre l'ambre sans abimer l'insecte ?![](images/icon_smile_question.gif) |
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Francesco
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Luxembourg
9402 Posts |
Posted - 06/10/2013 : 12:07:01
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Aucun, mais c'est pas nécessaire: on peut regarder l'insecte comme au delà d'une fenêtre. |
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Jérôme Sudre
Member Rosenbergia
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France
1770 Posts |
Posted - 29/10/2014 : 21:56:59
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Je n'y connais rien mais je m'essaye : Saphanus ?? Drymochares ?? Ou peut être Erlandini mais peu probable ... |
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Francesco
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Luxembourg
9402 Posts |
Posted - 29/10/2014 : 22:02:17
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Merci Jérôme, tu as été le seul (après une année) à me donner son avis.![](images/icon_smile_kisses.gif) ![](images/icon_smile_shy.gif) En effet, moi aussi je pense qu'il s'agit d'un Spondylidinae... même si la taille minuscule me fait penser plus à Schurmannia (= Alocerus selon Holzschuh)... de toute façon dans ce groupe et pas un lamiaire. Chose notable, les yeux sont divisé comme les Tetropium. |
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Jérôme Sudre
Member Rosenbergia
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France
1770 Posts |
Posted - 30/10/2014 : 19:15:15
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En effet Schurmannia dont j'ai deux ex en coll n'est pas improbable quant à Alocerus pourquoi pas non plus cependant ce qui est curieux c'est que l'habitus rappel un peu le genre Saphanus ? Quant à Alocerus et Schurmannia ils sont à mes yeux différents ....Maintenant la systématique en entomologie est très subjective..... |
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Francesco
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Luxembourg
9402 Posts |
Posted - 08/11/2014 : 19:21:10
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Alors d'accord: je vais le décrire comme Spondylidinae Anisarthrini n. gen., n. sp. ![](images/icon_smile_wink.gif) |
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Francesco
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Luxembourg
9402 Posts |
Posted - 19/11/2014 : 07:57:47
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quote: Originally posted by Jérôme Sudre
Quant à Alocerus et Schurmannia ils sont à mes yeux différents
Je suis d'accord. Les antennes présentent le dimorphisme sexuel d'Anisarthron qui manque chez Alocerus.
Les yeux divisés en deux lobes sont présentes chez les Metalocerus, mais ce genre me semble un peu different au niveau du pronotum (qui en effet il rappelle les Saphanini d’où les Anisarthrini ont évolués). |
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Francesco
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Luxembourg
9402 Posts |
Posted - 29/01/2015 : 11:27:37
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![](../public/imgforum/Francesco/2015311164131_rec.JPG) 126.93 KB
This is the reconstruction I will publish. |
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Xavier
Scientific Collaborator
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France
12002 Posts |
Posted - 31/01/2015 : 12:53:16
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Thanks to show us your nice drawing before the publication . Just a question : It is impossible - I guess - to see legs or are they all broken ? |
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Francesco
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Luxembourg
9402 Posts |
Posted - 01/02/2015 : 08:41:20
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All legs are present but covered by the body. With my instruments, I cannot manage to observe them but I know that some Museums have the possibility to observe through the amber and reconstruct a 3-dimensional drawing with an impressive precision. |
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Francesco
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Luxembourg
9402 Posts |
Posted - 10/06/2015 : 16:17:53
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And this species as well received its name: Mesalocerus tetropoides n. gen. n. sp. (Anisarthrini)
Abstract of the publication here |
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nalslan
Member Purpuricenus
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China
297 Posts |
Posted - 12/06/2015 : 03:37:58
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Very coooool!
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