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 China: Ropica albomaculata ?

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Vitali Posted - 25/06/2017 : 14:52:33

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There are several Pterolophia species with a similar pattern. I suspect this one to be Pterolophia rubricornis Gressitt, 1951, but of course cannot be sure. Any other idea?
Size 9 mm.
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Vitali Posted - 26/06/2017 : 21:37:36
There are many species with similar pattern: R. albomaculata, R. dorsalis, R. formosana, R. honesta, R. subnotata etc. Photos of several of these can be found in the internet. I am not sure.

My specimen has converging yellow stripes in pronotum and alternating white and dark spots in suture as the beetles here, but has a smaller depression in elytra. By the way, it also has a V shaped elevation in elytra base as your specimens of R. albomaculata
Xavier Posted - 26/06/2017 : 19:29:38
To compare with holotype here of Ropica albomaculata Pic, 1945 , and specimens here.
Xavier Posted - 25/06/2017 : 21:14:57
Yes, it looks like a Ropica sp.
Vitali Posted - 25/06/2017 : 20:46:20
Good that you asked, Xavier. I checked once more. Indeed, under some angle I could see a weak curvature filled with a brush of bristles. I did not notice it earlier. So, Ropica... and another tribus?
Xavier Posted - 25/06/2017 : 18:27:13
Any furrow on mid tibias ?

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