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 India: Diorthus sericeus
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sangamesh
Member Purpuricenus

India
426 Posts

Posted - 18/11/2017 :  14:55:21  Show Profile  Email Poster  Reply with Quote

407.4 KB

Loc: Karnataka; Size: 19 mm; this seems to go well with specimens posted here in the general resemblance

Edited by - Xavier on 31/07/2018 13:54:02

Xavier
Scientific Collaborator

France
12215 Posts

Posted - 18/11/2017 :  16:45:55  Show Profile  Email Poster  Reply with Quote
Yes, same genus sure; but is it the same species ?
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sangamesh
Member Purpuricenus

India
426 Posts

Posted - 18/11/2017 :  19:03:45  Show Profile  Email Poster  Reply with Quote
The only differing characters that I can find is: in D. laosensis the medial pronotal band is interrupted longitudinally whereas it is not in my specimen; The posteriorly projecting prosternal process is broad at its apex and wrinkled dorsally whereas the prosternal projection in my specimen is bead like apically and bears a longitudinal ridge dorsally...does that justify the separation?
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Xavier
Scientific Collaborator

France
12215 Posts

Posted - 18/11/2017 :  20:01:11  Show Profile  Email Poster  Reply with Quote
First, be careful to compare male to male; your specimen should be a female.
I do not see strong differences with my specimens from Laos.
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sangamesh
Member Purpuricenus

India
426 Posts

Posted - 19/11/2017 :  06:48:50  Show Profile  Email Poster  Reply with Quote
oops! I should not have jumped on to compare the characters of prosternal process but the pronotal band is different although sculpturing looks same...may be the same species?...any chance of getting prosternal view of the female?

Edited by - sangamesh on 19/11/2017 06:51:31
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Xavier
Scientific Collaborator

France
12215 Posts

Posted - 19/11/2017 :  09:58:52  Show Profile  Email Poster  Reply with Quote
Ok; I will try to make a picture of the prosternal process of a female.
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Xavier
Scientific Collaborator

France
12215 Posts

Posted - 30/07/2018 :  12:31:07  Show Profile  Email Poster  Reply with Quote
Is it Diorthus sericeus Gardner ?
Holotype is available here.
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Xavier
Scientific Collaborator

France
12215 Posts

Posted - 31/07/2018 :  13:51:32  Show Profile  Email Poster  Reply with Quote
So, it is Diorthus sericeus Gardner, 1939, still called Tapinolachnus sericeus (Gardner, 1939) in Titan database.

Edited by - Xavier on 31/07/2018 13:54:17
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