Cerambycoidea Forum - Thailand: Pachylocerus cf. parvus

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Thailand: Pachylocerus cf. parvus

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loongfah
Member Purpuricenus

Singapore
374 Posts

Posted - 13/09/2018 : 15:46:15

237.16 KB

An Anthribidologist friend of mine sent me this picture of a specimen from Thailand.
The specimen was mistakenly sent to him as an Anthribid (prothorax's deep depression apparently similar to the anthribid genus Stiboderes).
Any idea what it is?

Edited by - Gerard on 13/09/2018 20:59:32

dryobius
Member Rosenbergia

USA
1885 Posts

Posted - 13/09/2018 : 17:24:44

It's a Pachylocerus species, perhaps close to P. nayani Vives, 2010.

The HT of P. nayani is nearly all black but has a small amount of grayish pubescence in the apical part of the elytra.

Perhaps a new species?

Edited by - Gerard on 13/09/2018 18:56:19

Gerard
Scientific Collaborator

France
5253 Posts

Posted - 13/09/2018 : 18:55:54

Hello, also close to Pachylocerus parvus Gahan 1907 described in Sumatra. I don't know the difference between the two species.

dryobius
Member Rosenbergia

USA
1885 Posts

Posted - 13/09/2018 : 19:11:33

Yes, it closely matches P. parvus. I have a photo of a lectotype, but the lectotype has a little less reddish-brown pubescence on the apex of the elytra. The specimen from Thailand has more distinct sculpturing on the pronotum, however the photographs are not conclusive. Without a series of specimens, it is impossible to see if there is variation in this species.