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 Malaysia: Parathylactus sumatranus

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T O P I C    R E V I E W
Sergi Posted - 05/01/2014 : 11:36:14

342.93 KB

Xylorhizini
From W. Malaysia, Cameron Highlands.
Size: 31 mm
6   L A T E S T    R E P L I E S    (Newest First)
Francesco Posted - 26/05/2016 : 14:14:10
Well, according to Breuning, Parathylactus differs from Thylactus in the divided eyes.
Do the eyes of this specimen correspond?
dryobius Posted - 26/05/2016 : 13:29:14
In Aurivillius (1925), he shows a black and white sketch of T. mjoebergi. It is not a good sketch, but the species shown above is clearly something different.
dryobius Posted - 18/05/2016 : 17:56:13
This species looks very close to Parathylactus sumatranus Breuning & de Jong, 1941. They included a photograph in their paper. I have the pdf now which I can share with those interested.

The differences between the two specimens are in the locations of the dark areas on the elytra. It is not much different, but enough to make the determination inconclusive.

I have a specimen of Thylactus mjoebergi from Sumatra, identified by Hudepohl, which is clearly a different species. However I am not yet able to verify Hudepohl's determination since there are some undescribed Thylactus and Cyrtogrammus species in Borneo, and probably other places.
Jérôme Sudre Posted - 19/05/2014 : 22:16:12
C'est bien lui !
Francesco Posted - 19/05/2014 : 21:38:32
I think it is instead Thylactus mjoebergi Aurivillius, 1925, described from Sumatra and Nias.
Gerard Posted - 05/01/2014 : 12:24:46
Ca me semble être Thylactus chinensis Kriesche, 1924

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