Note on a new species of Osmoderma and a Trichins 



from Japan. 



By George Lewis J- L. S. 

 1. Osmoderma opica, nov. spec. 

 0. er emit ae forma swiilUma.i sed prosterno haud rugoso ; meso- 

 sterno antice opaco et minute granulato. 



This species in form, size, colour and sculpture is almost 

 the same as 0. eremita , but there are several good, though 

 small , Charakters whereby to distingaish the one from the 

 other. In 0. opica the clypeus is somewhat dilated and im- 

 pressed at the sides and in the front; the thorax is angulate 

 at the middle of the lateral margin ; the pygidium is rather 

 more transverse, and a little more sinuate at the sides ; the 

 prosternura in front of the foreraost coxae is acute in the 

 middle, both before and behind, and is not rugose, But above 

 all the mesosternum is anteriorly, (in front that is of the 

 middle coxae) opaque and finely granulate. 



In 0. eremita tbe prosternum is slightly raised in the middle 

 and is transversely rugose and the forepart of the mesosternum 

 is shining with large scattered punctures of the anterior edge. 



I obtained three examples , all unfortunately females, in 

 August 1881, the localities being Chiuzenji, Nikko and 

 Imaichi. 



2. I obtained also four specimens of a TricMus allied to 

 subopacus Motsch. for which I propose the name of T. viridJopacilS . 

 Tbe species is larger than subopacus and has relatively broader 

 and shorter elytra ; the elytra are a deep green or bronze, the 

 tint always agreeing with the colour of the thorax. There are 

 six or seven white spots on each elytron , but I cannot dis- 

 cover such satist'actory discriminative characters , as those I 

 see in the Osmoderma. 



I have five examples of T. subojpacus from Tsushima 

 and in these in others I have seen from Korea the elytra 

 are grey or brownish and differ from the colour of the thorax^ 



Tricliius succinctus Pallas. I record for the first time from 

 Japan. There are eight specimens in my collection from K i o t o, 

 Nikko and Sapporo. 



Wimbledon, Jan. 2. 1887. 



„Wiener EntomoloSisclie Zeitung'' VI. Heft 2. (28. Februar 1887.) 



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