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loongfah
Member Purpuricenus
Singapore
374 Posts |
 Posted - 22/04/2015 : 16:26:04
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465.77 KB
Malaysia, Perak
Is this a Thylactus sp? |
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dryobius
Member Rosenbergia
USA
1885 Posts |
Posted - 22/04/2015 : 19:40:27
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Yes, Thylactus.
Maybe it is T. sumatrensis Hudepohl which I have seen from Sumatra and Borneo. I'll see if I can confirm later. |
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dryobius
Member Rosenbergia
USA
1885 Posts |
Posted - 23/04/2015 : 00:50:23
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| I don't know the size of the specimen in the photograph, but it looks the same as a specimen of T. sumatrensis that I have from Sumatra. |
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loongfah
Member Purpuricenus
Singapore
374 Posts |
Posted - 23/04/2015 : 02:36:52
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Thanks a lot, Dan.
I have no specimen in this case, but my estimate of this species will be about 10 mm. |
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dryobius
Member Rosenbergia
USA
1885 Posts |
Posted - 23/04/2015 : 05:28:37
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Wow, that is very short.
T. sumatrensis is 30mm or more. Thylactus spp. are usually 20-35 mm.
I really do believe your specimen is T. sumatrensis and is probably over 25 mm. |
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dryobius
Member Rosenbergia
USA
1885 Posts |
Posted - 17/05/2016 : 14:40:01
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The picture above is T. sumatrensis, in my opinion. First, I have a specimen from West Sumatra identified by Hudepohl. I have one specimen from Sabah (here attached). The pubescence on the elytra is a shimmering brown, which changes reflections depending upon the angle of light.
In a paper being prepared, Vives and I are documenting some new records from Borneo. This will likely be included. I do not plan to include the record for Perak. I think it would be important and proper if Loong Fah would publish his records.
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dryobius
Member Rosenbergia
USA
1885 Posts |
Posted - 03/04/2019 : 14:23:48
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I obtained a photo of Loong Fah's specimens, which was taken under different light at a different angle.
It is clearly T. angularis, which occurs over a very large part of SE Asia. |
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Malaysia, Thylactus: angularis
