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 Cerambycidae Lamiinae
 Tragocephalini
 Cameroon: Murosternum vs Chariesthes sp.
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dryobius
Member Rosenbergia

USA
1887 Posts

Posted - 01/02/2019 :  14:25:49  Show Profile  Email Poster  Reply with Quote
12 mm from Cameroon


220.76 KB

Edited by - Xavier on 03/02/2019 13:47:19

Jérôme Sudre
Member Rosenbergia

France
1773 Posts

Posted - 01/02/2019 :  19:17:14  Show Profile  Email Poster  Reply with Quote
Good evening

Is there a cicatrice on the scape or not?
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dryobius
Member Rosenbergia

USA
1887 Posts

Posted - 01/02/2019 :  19:37:16  Show Profile  Email Poster  Reply with Quote
No cicatrix
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Jérôme Sudre
Member Rosenbergia

France
1773 Posts

Posted - 01/02/2019 :  20:22:36  Show Profile  Email Poster  Reply with Quote
I looked in my files and from the photo and what I can see from others, it is very close to Murosternum puchellum (Dalman) or Mr. paramolitor Breuning . But I don't have the impression that it's one of them...... In addition, the tarsus of these two species are brown or black while their tibias are reddish. Here, I don't feel like that's the case here?
Does your insect have a very wide prosternal projection or not? If it is very wide and rounded and extended forward and forming a bifid shape it would be a Murosternum! If this prosternal projection is not wide and if it is projected forward but not particularly bifid (it is sometimes so!) it would be a Chariethes (among others). The tubers of the antennas are close together in Chariesthes while they are far apart in Murosternum.
If you can already find the genus with this and well it will already be good.....
Presumably it's a Murosternum ?
Good luck with what I gave you......

Edited by - Jérôme Sudre on 03/02/2019 09:33:09
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