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Pierre
Member Rosenbergia
Switzerland
1755 Posts |
 Posted - 22/10/2010 : 12:46:10
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Callichromatini, genus Dictator;
I do not know much things about this enigmatic genus and as good as no documents seem to exist. But the beetle is splendid.
Togo West (border area to Ghana), Badou env., October 2010.
43 mm.
Francesco, can you help with the species name? |
Edited by - Gerard on 09/06/2015 20:53:16 |
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Pierre
Member Rosenbergia
Switzerland
1755 Posts |
Posted - 22/10/2010 : 12:47:27
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The same, ventral view. |
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Francesco
Forum Admin
Luxembourg
9454 Posts |
Posted - 24/10/2010 : 21:50:39
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Dear Pierre, Schmidt (1922) did not carefully study this genus, renouncing to furnish a key but providing all descriptions.
I have the descriptions of all species and the pictures of some types (thank to Robert Perger).
Nonetheless, it seems that some old authors did not correctly identify males and females of the same species. Moreover, the variability of the characters (nearly uniquely the colour) is unclear.
If your beetle were a male, it would correspond to Dictator postulatus Thomson, 1878 (West Africa). Unfortunately, according to the author, the female should have an entirely yellow head and prothorax, a character instead corresponding to D. falkensteini Quedenfeldt, 1883 from Angola... |
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Gerard
Scientific Collaborator
France
5300 Posts |
Posted - 09/06/2015 : 20:52:19
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Félicitation au deux Pierre (Juhel & Haller) 
Juhel & Haller, 2015 - Dix-septième contribution a l'étude des Callichromatini Africains: révision du genre Dictator Thomson, 1878 (Coleoptera, Cerambycidae, Cerambycinae) - Les Cahiers Magellanes, NS, N°18, mai 2015_ 27
Conclusion du poste (si tu permets Pierre)
Dictator regius ssp. bretschneideri Heller, 1912 |
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Pierre
Member Rosenbergia
Switzerland
1755 Posts |
Posted - 09/06/2015 : 21:37:59
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| J'attendais la sortie officielle de l'article avant de le faire, ce qui semble être le cas maintenant (je n'ai pas encore reçu le cahier), j'ajouterai donc les photos des types dans la section correspondante. |
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Francesco
Forum Admin
Luxembourg
9454 Posts |
Posted - 09/06/2015 : 21:38:47
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Mais Gérard reçoit les publications avant tout le monde! 
J'ai rien reçu...
Félicitations Pierre! 
Je ne savais rien!
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Pierre-Olivier Maquart
Member Rosalia
United Kingdom
784 Posts |
Posted - 11/06/2015 : 13:04:50
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| Félicitations ! J'ai hâte de lire ça |
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africaone
Member Purpuricenus
Belgium
484 Posts |
Posted - 17/06/2015 : 18:09:00
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hehe ... enfin reçu hier ! pas mal  félicitation aux deux Pierre
et la bête sur la couverture du cahier en question est un petit bijou ! comme d'habitude  |
s'il n'y pas de solution c'est qu'il n'y a pas de problème ! akuna matata .... |
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Togo, Dictator: regius bretschneideri
