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 Thailand: Mesosa (Perimesosa) irrorata?

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T O P I C    R E V I E W
Andre Posted - 15/12/2012 : 13:35:52


Mesosini from N - Thailand, 19 mm.
15   L A T E S T    R E P L I E S    (Newest First)
MONO Posted - 19/06/2017 : 13:40:50
Mesosa irrorata (Gressitt, 1939) is very differert£¬ I don't think it is M.irrorata
MONO Posted - 15/06/2017 : 11:50:06
Agelasta birmanica (Breuning, 1935) for me
Francesco Posted - 25/01/2015 : 10:25:34
I think that Andre's specimen belongs to the genus Mesosa sg. Perimesosa.
What do you think about irrorata Gressitt?
Xavier Posted - 29/12/2014 : 08:47:15
Thanks for the picture .
For Andre's specimen, I really don't know.
Xaurus Posted - 28/12/2014 : 23:56:34
Now I have post the HT in the type section, any ideas of the spms above are welcome !
Xaurus Posted - 28/12/2014 : 02:16:33
Yes, I believe I have a type picture of Paragelasta birmanica, but I didn't make by myself and looking first where it is ? I'll check next days.
Xavier Posted - 27/12/2014 : 17:17:43
The black & white illustration from Laos Fauna (linked post) shows a specimen without ridge on elytra and with toothed pronotum like Gérard's and my specimens. Type specimen is needed, sure.

But now, we have to find your species ....
Andre Posted - 27/12/2014 : 16:58:24
Hmmm.....difficult, the description agrees more or less with our Spec. and Breuning did not mention the two ridges of the elytra of my Spec. so i think your second Spec. is A. birmanica.
But the best is the picture of the type. I think Xaurus can help.
Xavier Posted - 27/12/2014 : 16:11:59
I agree with you.
Could you, please, check the original description of Paragelasta birmanica Breuning, 1935 = Agelasta (Pseudagelasta) birmanica (Breuning, 1935) and tell us which specimen is the true "birmanica" ? (I can't understand German language)

Andre Posted - 27/12/2014 : 16:09:18
Hmm......the Type is in London. Might be Xaurus have a picture ?
Andre Posted - 27/12/2014 : 15:58:07
Very similar, but not the same. Pronotum and basis of elytra are different...
Xavier Posted - 27/12/2014 : 15:57:25


1. Yours
2. north Thailande, Gérard
3. Northern Laos, mine

Your specimen is like this one, without big tooth ahead of pronotum (and it's not a sexual dimorphism comparing n°2 and 3).
Whitish drawing on elytra of your specimen is different from n°2 & 3.
The question is : which is Agelasta (Pseudagelasta) birmanica (Breuning, 1935) ?
Xavier Posted - 27/12/2014 : 15:37:08
Please, look at those specimens of this post here.
I don't know why but I wonder if all belong to the same taxon
Andre Posted - 27/12/2014 : 13:07:21
Yes......the underside is completly clutered with erect long white hairs.


75.54 KB
Xavier Posted - 15/12/2012 : 20:47:35
Well, Gressitt (1970) wrote that this species has got erect hairs on the body.
Could you make a profil picture ?

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