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 Chad: Dissaporus juheli?		  New Topic  Reply to Topic
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Larry Bezark
Member Macrodontia

USA
2220 Posts
Posted - 02/05/2015 :  17:54:28  Show Profile  Email Poster  Reply with Quote

83.31 KB

Cerambycini maybe Derolus from Chad, Ouli Bangala, 9 mm.

Thanks

Larry B.

Pierre
Member Rosenbergia

Switzerland
1755 Posts
Posted - 03/05/2015 :  15:50:23  Show Profile  Email Poster  Reply with Quote
Not sure about Derolus. As far as I can see the pronotum is missing ridges or wrinkles.
Why not Dissaporus juheli Adlbauer, 2006? Desciption based on the Holotypus from Mozambique. Small seize and dark spot on elytral apex seems to fit, as well as the darker area on humeri.
On the other hand I am not able to see if the femora are carinate ventrally or not.
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Larry Bezark
Member Macrodontia

USA
2220 Posts
Posted - 03/05/2015 :  17:13:29  Show Profile  Email Poster  Reply with Quote
Thank you Pierre,

Yes, all the femora have two carinae,

Larry B.
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Pierre
Member Rosenbergia

Switzerland
1755 Posts
Posted - 03/05/2015 :  17:32:32  Show Profile  Email Poster  Reply with Quote
Carinae present = in this genus-group I only see Dissaporus.
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Jérôme Sudre
Member Rosenbergia

France
1771 Posts
Posted - 04/05/2015 :  22:20:57  Show Profile  Email Poster  Reply with Quote
Oui il s'agit d'un Dissaporus, et de cette région il s'agit probablement de cachani (?) maintenant il faudrait comparer avec les autres espèces ?
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Larry Bezark
Member Macrodontia

USA
2220 Posts
Posted - 05/05/2015 :  00:28:08  Show Profile  Email Poster  Reply with Quote
Merci, Jerome.

Larry B.
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Pierre
Member Rosenbergia

Switzerland
1755 Posts
Posted - 05/05/2015 :  09:04:13  Show Profile  Email Poster  Reply with Quote
Je doute quand-même que ce soit D. cachani qui a un dessin totalement différent. Cachani a déjà été discuté ici
http://www.cerambycoidea.com/forum/topic.asp?TOPIC_ID=7048
http://www.cerambycoidea.com/forum/topic.asp?TOPIC_ID=14631
http://www.cerambycoidea.com/forum/topic.asp?TOPIC_ID=16212
Ces photos montrent bien le dessin élytral.

Sur le site de Larry Bezark se trouve une image de D. juheli:
https://apps2.cdfa.ca.gov/publicApps/plant/bycidDB/wdetails.asp?id=43314&w=o
c'est le spécimen qui figure dans le travail d'Adlbauer.

Reste la question de la répartition. Il est vrai que D. juheli a été décrit sur un spécimen provenant d'une région très différente que de Chad qui se trouve sensiblement plus au nord. Mais pourquoi pas? Il y a bien des espèces qui couvrent une très large partie de l'Afrique, partant de la côte ouest et descendant largement vers la Tanzanie ou le bassin du Congo... dans l'ensemble nous savons très peu sur la répartition réelle d'une bonne partie des espèces africaines.
Edited by - Pierre on 05/05/2015 09:05:34
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Jérôme Sudre
Member Rosenbergia

France
1771 Posts
Posted - 05/05/2015 :  18:39:56  Show Profile  Email Poster  Reply with Quote
it is just a guess ..... But is it possible to have a phot o better presentation that we can see the elytra ??
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Larry Bezark
Member Macrodontia

USA
2220 Posts
Posted - 07/05/2015 :  01:13:39  Show Profile  Email Poster  Reply with Quote
Two more images.


85.38 KB
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Jérôme Sudre
Member Rosenbergia

France
1771 Posts
Posted - 17/06/2015 :  19:10:39  Show Profile  Email Poster  Reply with Quote
Oui Pierre à raison D juheli est bien plus probable .....
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