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Francesco
Forum Admin
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Luxembourg
9412 Posts |
Posted - 26/08/2013 : 20:27:38
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Following Gerard's suggestion and thanks to the numerous pictures of this Forum, I provide a key to the genus Rhytidodera.
Like other keys, the possibility to insert new pictures or to improve the already written key with distribution and biology will allow having a more and more complete guide... thank to your help!![](images/icon_smile_kisses.gif) ![](images/icon_smile_big.gif) So, I suggest you to periodically check this guide, since new updates could have been added.
Generality
Rhytidodera White, 1853 is an Asian genus belonging to the tribe Cerambycini Latreille, 1804.
This genus is characterised by: interantennal furrow; cylindrical body; posterior legs short; antennae more or less flattened, shorter than body. |
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Francesco
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Luxembourg
9412 Posts |
Posted - 26/08/2013 : 20:31:22
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1. Pronotum with longitudinal ridges .......... 2 -. Pronotum irregularly wrinkled ................ 7
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Francesco
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Luxembourg
9412 Posts |
Posted - 26/08/2013 : 20:35:21
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2. Elytra with a post-median transverse dark band ................. 3 -. Elytra with many spots of grey and/or yellow pubescence .... 4
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Francesco
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Luxembourg
9412 Posts |
Posted - 26/08/2013 : 20:38:39
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3. Elytra with 2 long acute spines at each apex; body pubescence dark brown (Borneo) ........ cristata Pascoe, 1866
![](/public/imgforum/Francesco/2013826212332_Pho1020.jpg) Photo Gérard Chemin
-. Elytra truncated, nearly unarmed at the apex; body pubescence light brown (Thailand)..... mutabilis Holzschuh, 1993
![](/public/imgforum/Francesco/2013826212434_Pho1025.jpg) Photo Gérard Chemin
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Francesco
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Luxembourg
9412 Posts |
Posted - 26/08/2013 : 20:44:07
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4. Elytra rounded at the outer apex (ne-India, Nepal) ... consona Holzschuh, 1995 -. Elytra obliquely truncated at the outer apex ....................... 5
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Francesco
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Luxembourg
9412 Posts |
Posted - 26/08/2013 : 21:27:53
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5. Pronotum with irregular dorsal ridges (Indonesia: Celebes) ...integrifrons Heller, 1897
![](/public/imgforum/Francesco/20131025105358_rhytidodera.JPG) Photo Andreas Weigel
-. Pronotum with regular dorsal ridges (Asian species) ....................... 6
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Francesco
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Luxembourg
9412 Posts |
Posted - 26/08/2013 : 21:32:06
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6. Body medially smaller (25-35 mm); elytra with yellow pattern and grey pubescence (Nepal, Myanmar, n-Thailand, Laos, Vietnam, China)... bowringii White, 1853
![](/public/imgforum/Francesco/2013826213530_201382315041_DSC_0719-001.JPG) Photo Pierre Haller
-. Body medially larger (30-45 mm); elytra with only grey pubescence (China, n-Vietnam) ... griseofasciata Pic, 1912
![](/public/imgforum/Francesco/2013826213859_2013823145621_DSC_0718-001.JPG) Photo Pierre Haller |
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Francesco
Forum Admin
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Luxembourg
9412 Posts |
Posted - 26/08/2013 : 21:42:36
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7. Antennae flabellate (Laos, Thailand, Borneo) .... grandis Thomson, 1865
![](/public/imgforum/Francesco/2013826214632_grandis.JPG) Photo Gérard Chemin
-. Antennae not flabellate .........8
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Francesco
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Luxembourg
9412 Posts |
Posted - 26/08/2013 : 21:48:49
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8. Elytra rounded at the outer apex .............. 9 -. Elytra toothed at the outer apex ............. 12
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Francesco
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Luxembourg
9412 Posts |
Posted - 26/08/2013 : 21:50:32
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9. Body more robust; elytra with longitudinal yellow lines (India) .... robusta Gahan, 1891
![](/public/imgforum/Francesco/2013827192621_robusta.JPG) Muséum National d'Histoire Naturelle, Paris
-. Body more elongated; elytra with spots of grey and yellow pubescence ............ 10 |
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Francesco
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Luxembourg
9412 Posts |
Posted - 26/08/2013 : 22:02:08
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10. Clypeus forming a transparent brown field over the mandibles (Borneo) .... clypealis Holzschuh, 2007
![](/public/imgforum/Francesco/2013828182414_rhytidodera2.JPG) Photo Francesco Vitali
-. Clypeus normal ... 11. |
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Francesco
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Luxembourg
9412 Posts |
Posted - 26/08/2013 : 22:06:10
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11. Body with spotted pubescence (Korea, China, Taiwan, Vietnam, Laos) ... integra Kolbe, 1886
![](/public/imgforum/Francesco/2013829194047_rhytidoderaintegra.JPG) Photo Gérard Chemin
-. Body with nearly uniform pubescence (Sumatra) ... concolor Nonfried, 1895
Note: I do not know really the difference since, apparently, Nonfried did not know R. integra. |
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Francesco
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Luxembourg
9412 Posts |
Posted - 26/08/2013 : 22:16:16
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12. (Described from Myanmar: Tenasserim. Widespread in Nepal, Thailand, Malaysia and Borneo) ... simulans (White, 1853)
![](/public/imgforum/Francesco/2013826222014_GEN12579.jpg) Photo Gérard Chemin
-. (Thailand) ... siamica Nonfried, 1892
Note: I do not know the difference since, apparently, Nonfried did not know R. simulans either (here, p. 378). In fact, he confronted his new species to R. cristata! Moreover, all other cerambycids described in that paper are actually synonyms. |
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Larry Bezark
Member Macrodontia
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USA
2212 Posts |
Posted - 27/08/2013 : 03:48:01
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Awesome, Francesco (and everyone who posted pics).
Very Helpful.
Larry B. |
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Xavier
Scientific Collaborator
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France
12017 Posts |
Posted - 29/08/2013 : 11:13:39
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Wonderfull ![](images/icon_smile_big.gif) |
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Pierre
Member Rosenbergia
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Switzerland
1745 Posts |
Posted - 30/08/2013 : 11:36:00
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Ce genre de petite clé illustrée, très pragmatique, ça fait des outils introuvables. Bravo Francesco, et merci aux contributions de tous! |
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