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Francesco
Forum Admin
Luxembourg
9454 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! 
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
Forum Admin
Luxembourg
9454 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
Forum Admin
Luxembourg
9454 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
Forum Admin
Luxembourg
9454 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
Photo Gérard Chemin
-. Elytra truncated, nearly unarmed at the apex; body pubescence light brown (Thailand)..... mutabilis Holzschuh, 1993
Photo Gérard Chemin
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Francesco
Forum Admin
Luxembourg
9454 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
Forum Admin
Luxembourg
9454 Posts |
Posted - 26/08/2013 : 21:27:53
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5. Pronotum with irregular dorsal ridges (Indonesia: Celebes) ...integrifrons Heller, 1897
Photo Andreas Weigel
-. Pronotum with regular dorsal ridges (Asian species) ....................... 6
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Francesco
Forum Admin
Luxembourg
9454 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
Photo Pierre Haller
-. Body medially larger (30-45 mm); elytra with only grey pubescence (China, n-Vietnam) ... griseofasciata Pic, 1912
Photo Pierre Haller |
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Francesco
Forum Admin
Luxembourg
9454 Posts |
Posted - 26/08/2013 : 21:42:36
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7. Antennae flabellate (Laos, Thailand, Borneo) .... grandis Thomson, 1865
Photo Gérard Chemin
-. Antennae not flabellate .........8
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Francesco
Forum Admin
Luxembourg
9454 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
Forum Admin
Luxembourg
9454 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
Muséum National d'Histoire Naturelle, Paris
-. Body more elongated; elytra with spots of grey and yellow pubescence ............ 10 |
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Francesco
Forum Admin
Luxembourg
9454 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
Photo Francesco Vitali
-. Clypeus normal ... 11. |
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Francesco
Forum Admin
Luxembourg
9454 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
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
Forum Admin
Luxembourg
9454 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)
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
USA
2238 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
France
12215 Posts |
Posted - 29/08/2013 : 11:13:39
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| Wonderfull |
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Pierre
Member Rosenbergia
Switzerland
1755 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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