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 Cerambycidae Lamiinae
 Mesosini
 China: Mesoereis bifasciata
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Vitali
Member Rosalia

Estonia
703 Posts

Posted - 23/01/2014 :  22:24:53  Show Profile  Email Poster  Reply with Quote

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Lost in Mesosa... Too many species with similar pattern.
18 mm.

Edited by - Xavier on 27/09/2017 13:19:35

Vitali
Member Rosalia

Estonia
703 Posts

Posted - 24/01/2014 :  10:20:02  Show Profile  Email Poster  Reply with Quote
Should belong to sg Aplocnemia.
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Xavier
Scientific Collaborator

France
8107 Posts

Posted - 24/01/2014 :  13:22:33  Show Profile  Email Poster  Reply with Quote
Do you know from where in China ?
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Francesco
Forum Admin

Luxembourg
7766 Posts

Posted - 24/01/2014 :  22:17:25  Show Profile  Email Poster  Visit Francesco's Homepage  Reply with Quote
By following Aplocnemia, I reach Mesosa tonkinea...and if it were Agelasta (near quadrimaculata)?
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Vitali
Member Rosalia

Estonia
703 Posts

Posted - 25/01/2014 :  14:17:11  Show Profile  Email Poster  Reply with Quote
The locality label tells: Mt. Nanling, Ruyan, Guangdong.

Concerning Agelasta vs Mesosa. I hope I did not overlook the difference in prosternal projection. The beetle is glued but probably you can confirm Mesosa looking at the following photo. The projection is not vertical, flat and situated deeper between coxae:



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Francesco
Forum Admin

Luxembourg
7766 Posts

Posted - 27/01/2014 :  22:12:35  Show Profile  Email Poster  Visit Francesco's Homepage  Reply with Quote
mmhm.. it is not so easy: the new definitions of Mesosa, Agelasta and Pachyosa made by Yamasako & Ohbayashi (2011, 2012) are no longer based on this character but on the genitalia.
At this point, I can no longer recognize the genera at fist view...
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Vitali
Member Rosalia

Estonia
703 Posts

Posted - 28/01/2014 :  10:36:12  Show Profile  Email Poster  Reply with Quote
Hi Francesco. Do you consider as a possibility that this species belongs to Agelasta (Dissosira)? This seems to be the only possibility in Agelasta as according to Yamasako & Ohbayashi, Psyche 2011, 2012 this subgenus includes species with “pronotum without five distinct tubercules on disk”, no erected hairs and weak shoulders.

But if we consider the whole set of characters given in this work for Dissosira, it seems that my beetle does not correspond to it. I copied below a redescription of pronotum, where the disagreeing characters are given in red:
“Pronotum wider than long, with some indistinct discal tubercles; each side near apical margin usually with a small dull projection. Prosternal process with extremity usually well swollen posteroventrally, almost truncate in lateral view, but sometimes hardly swollen and more or less roundly sloped in lateral view. Mesosternal process with a well-developed tubercle on the center near the apex and roundly projected anteroventrally, almost truncate in lateral view.

Maybe I am making a mistake somewhere(?).
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MONO
Member Purpuricenus

China
143 Posts

Posted - 26/09/2017 :  18:36:50  Show Profile  Email Poster  Reply with Quote
Hi! Mr Vitali! why not Mesoereis bifasciata (Pic, 1925)?
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Vitali
Member Rosalia

Estonia
703 Posts

Posted - 26/09/2017 :  22:33:55  Show Profile  Email Poster  Reply with Quote
Dear MONO. In fact, when I wrote that you are right, I replied to your suggestion about Mesoereis bifasciata (Pic, 1925). I really agree with it.
BUT... you placed this suggestion past week, while I replied today. I cannot see your add anymore. So, the question to moderators of the Forum - How is it possible that MONO's add, written past week, disappeared?
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Francesco
Forum Admin

Luxembourg
7766 Posts

Posted - 27/09/2017 :  06:58:39  Show Profile  Email Poster  Visit Francesco's Homepage  Reply with Quote
Dear Vitali, I think you should cancel your sentence as well...
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Vitali
Member Rosalia

Estonia
703 Posts

Posted - 27/09/2017 :  08:43:56  Show Profile  Email Poster  Reply with Quote
OK, Francesco. I learned something new . I did not earlier pay attention that the author can completely delete his message. So, I deleted my message preceding MONO's suggestion.

Anyway, I do believe that MONO is right and the beetle is Mesoereis bifasciata (Pic, 1925).

Edited by - Vitali on 27/09/2017 09:55:57
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Xavier
Scientific Collaborator

France
8107 Posts

Posted - 27/09/2017 :  13:19:00  Show Profile  Email Poster  Reply with Quote
ok for me with Mesoereis bifasciata (Pic, 1925). holotype picture is here.
You also can compare the under face with my photo.
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jplami
Member Purpuricenus

France
423 Posts

Posted - 27/09/2017 :  19:36:55  Show Profile  Email Poster  Visit jplami's Homepage  Reply with Quote
ok with Mesoereis bifasciata (Pic, 1925)

Lamiaires du MondeLamiines of WorldCerambycidae Lamiinae website
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