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Andre
Member Rosenbergia
Germany
1685 Posts |
 Posted - 17/06/2022 : 13:52:19
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Male, 7.5 mm
Male, lateral view
Female, 9.5 mm
S-Thailand, Trat Prov., Ko Kut Isl.
Yimnashana alfredi G. & V., 2016 ? |
Edited by - Xavier on 07/09/2022 16:24:00 |
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Xavier
Scientific Collaborator
France
12014 Posts |
Posted - 17/06/2022 : 18:18:31
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Check also Gyaritus quadridentatus (Pic, 1936), but the holotype seems to me a little immature.
Trat is not in "south" Thailand  . |
Edited by - Xavier on 17/06/2022 18:21:12 |
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Xavier
Scientific Collaborator
France
12014 Posts |
Posted - 06/09/2022 : 21:20:35
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Sorry, G.quadridentatus has different spines.
Your specimen, with dark pattern is probably Gyaritus auratus Breuning, 1963. I will post some specimens from north Laos this week. |
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Xavier
Scientific Collaborator
France
12014 Posts |
Posted - 07/09/2022 : 15:57:07
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348.25 KB
Gyaritus auratus Breuning, 1963 has two small lateral and visible spines on the pronotum, like your specimen. Yimnashana alfredi Gouverneur & F. Vitali, 2016 (here a paratype) has two minimal lateral spines on the pronotum, barely visible, and less elongated elytra. |
Edited by - Xavier on 10/09/2022 11:16:10 |
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Francesco
Forum Admin
Luxembourg
9408 Posts |
Posted - 10/09/2022 : 11:27:28
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A very big difference is the shape of the hind wings.
As I have written to Larry, there is the possibility that the Yimnashana are actually altitudinal Gyaritus; therefore, Yimnashana might not be a true genus but a group of subspecies characterised by reduced hind wings. |
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Thailand : Gyaritus auratus
