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Xavier
Scientific Collaborator
    
France
12753 Posts |
Posted - 19/09/2026 : 21:09:11
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 326.56 KB Laos, Borikhamxay
 348.4 KB Thailand, Phrae
 373.13 KB
Is the laotian Cerosterna pollinosa Buquet, 1860 ? what is the other? Cerosterna luteopubens (Pic, 1925) ?  |
Edited by - Xavier on 19/09/2026 21:30:05 |
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Francesco
Forum Admin
    
Luxembourg
9763 Posts |
Posted - 08/10/2026 : 12:58:18
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| The Laotian Cerosterna luteopubens (Pic, 1925) and Cerosterna pollinosa Buquet, 1860 |
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Xavier
Scientific Collaborator
    
France
12753 Posts |
Posted - 08/10/2026 : 18:21:10
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For a long time, I believed that my specimens belonged to a single species, but the photograph of the cheeks shows at least one additional black stripe that Breuning does not mention; we should also mention the shape of the mesosternal process. The only other significant difference is the color of the ventral hair.
 30.7 KB According to Breuning, the specimen with gray-white ventral hair from Thailand is C. luteopubens.
However, the holotype of Coelosterna sulphurea Heller, 1907 from Sumatra = Cerosterna pollinosa Buquet, 1860, described from Java ? (not Thailande), has an ochre-yellow coloration similar to that of my specimen from Thailand, which is why I had my initial doubts . Could it be that Breuning made a mistake? There is also the possibility that my specimen from Thailand has not been described—if it is indeed different from C. pollinosa from Java! |
Edited by - Xavier on 08/10/2026 19:24:55 |
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Xavier
Scientific Collaborator
    
France
12753 Posts |
Posted - 08/10/2026 : 19:01:38
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 153.5 KB Cerosterna pollinosa Buquet, 1860 is a yellow-green species with ventral pubescence that is lighter green than that of the elytra and grayish in the middle. There is no evidence that this species occurs in Laos or Thailand. |
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