292 



DTNASTIX.E. 



263, Eophileurus chinensis. 



Phileurus chinensis, Fald.* Mem. Ac. St. Petersh. ii, 183o, p. 370, 



pi. 4, fig. 4. 

 Trionychus chinensis, Fairm.,Ann. Soc. Ent. Ffance,\9QS, p. 385. 

 Trionychus poteli, Fairm.,* Ann. Soc. Ent. France, 1898, p. 384. 



Shining black, with the raetasternum thickly clothed with 

 reddish hairs. T]iq pronotum is depressed in the middle in both 

 sexes, the scutellum rugosely punctured, and the ehjtra striated, 

 with close, irregular, annular punctures in the striae. The meta- 

 sternum is densely rugose except in the middle, where it is punc- 

 tured, and the abdomen is coarsely punctured. 



(S . The head is armed with a slender horn, behind which it is 

 smooth, and the pronotum has a large excavation extending from the 

 front to near the hind margin, almost circular in large specimens 

 and elongate in minor ones. The cavity is rugose and the rest of 

 the surface moderately punctured. The pygidium is very convex 

 and smooth and shining, except at the base and in the lateral 

 angles. The inner cla\\' of the front tarsus is very broad and 

 widely cleft. 



Fi"'. 67. — Eophileurus chinensis, male, and anterior 

 pai't of male (a) and female {b). 



2 . The head is rugose and has a short sharp tubercle in the 

 middle. The pronotum is coarsely punctured all over and has a 

 narrow longitudinal channel in the middle, extending almost from 

 front to hind margin. The pygidium is rugose, not prominent, 

 and thinly clothed with erect hairs. 



Length 20-2-4 mm. ; breadth 10-12 mm. 



Bhutan ; Burma : Ruby Mines ; China ; Japan. 



Type in coll. K. Obertluir, also that oi poteli. 



Mr. George Lewis states that this beetle is found concealed 

 beneath wood, tiles, etc., upon the ground near refuse-heaps, in 

 which no doubt the larvae live. 



