124 LUCAKID^. 



55. Dorcus jenkinsi. (Plate X, tig. 8.) 



Lucanus jenkinsi Westw.,* Cab. of Oriental Ent. 1848, p. 21, pi. 10, 



fig. 3. 

 Metopodontus jenkinsi Boil., Trans. Ent. Soc. Lond. 1913, p. 225. 

 Metopodontus (subg. Hoplitocranum) calcaratus Jakowl., Horse fcjoc. 



Ent. Ross. XXX, 1896, p. 172. 



Deep chestnut-red, with the front margm of the pronotum, 

 the scutellum, the inner and outer margins of the elytra, the 

 knees, tarsi and antennae black, the dark front margin of the 

 pronotum dilated in the middle, the black sutural stripe of the 

 elytra very broad in the female. The shape narrowly elongate, 

 the male entirely ojjaque above and the female very gloss}' 

 except upon the head and the lateral margins of the pronotum 

 and etytra. The seventh joint of the antenna sharply pro- 

 duced. The front tibia very finely serrate externally. The 

 prosternum forms a very short rounded keel behind the front 

 coxae. 



$. Very shining above, except ujDon the head and lateral 

 margins of the pronotum and etytra. Deep red- brown, with 

 the outer margins, the scutellum, a large triangular median 

 patch uj^on the pronotum and a broad sutural band upon the 

 elytra, dilated at the base and not reaching the extremities, 

 black. The head is coarsely rugose, the mandibles not broad 

 and bearing a very strong internal tooth. The pronotum is 

 very strongly and closely jjunctured at the sides, more sparingly 

 but very distinctly in the middle. The lateral margins are 

 serrate and gently curved to the lateral angulation, which 

 is rather sharp, and nearly straight to the very obtuse hind 

 angle. The elytra are very finely punctured in the dorsal 

 part and strongly and very densely at the sides and apices, 

 without being opaque there. The front tibia is a little curved, 

 minutely serrate externally, with two or three slightly larger 

 teeth, and produced at the extremity, which is palmate, with 

 four very short blunt lobes. 



c^. The head is densely granular and bears four tubercles 

 placed in a transverse line along the middle. Behind these it 

 is convex and in front of them a little depressed. The front 

 angles of the head are blunt and the cheeks a little swollen. 

 The clyi)eal process is trilobed in front. Tlie mandibles are 

 long and slender. The pronotum is very finely and densely 

 granular, the front angles are blunt, the sides almost straight 

 to the lateral angle, whicli is acutely ])rominent and situated 

 only a little in front of the base, and then almost straight to 

 the base, the hind angle extremely blunt. The scutellum is 

 very finely granular. The elytra are densely punctured in 

 the sutural region and finely coriaceous upon the remaining 

 surface. The shoulders are acute and the apices a little 

 produced. The tip of the abdomen has a compressed and 



