THE LONG-HORNED WOOD-BORING BEETLES. 



101.9 



KEY TO INDIANA SPECIES OP CALLIDIUM. 



u. Thorax and elytra blue. 



h. Thorax finely punctured and impressed. 

 &6. Thorax deeply punctured, not impressed. 

 aa. Thorax and elytra dull brownish-yellow. 



1887. ANTENNATUM. 



JANTHINUM. 



JEWSVU. 





Fig. 430. CoMidium. antennatum. 



was described from Texas 

 C. cereatu Newm., length 



ISST (GOOS) . Callidium antennatum Newm., 

 Ent. Mag., V, 1838, 393. 

 Blongate-oblong, subdepressed. Deep 

 blackish-blue. Antenna; longer than body, 

 thickened at base, each joint in male clubbed 

 at outer end. Thorax wider than elytra in 

 male, about as wide, female; sides broadly 

 rounded, surface finely and densely punctate, 

 and with a rounded impression each side of 

 middle. Elytra deeply and roughly punctate. 

 Length 13-14 mm. (Fig. 430.) 



Laporte County ; scarce. June 21. 

 Breeds in pine, about which the adults 

 are usually found. 



C. jantliinum Lee, length 10-13 mm., 

 and has been recorded from Cincinnati. 

 8.5-12 mm., is said to inhabit the Atlantic States. 



Hylotrupes ligneus Fab. (Fig. 431), black, elytra yellow or red 

 with black markings, length 7-12 mm., occurs from Maine to Cali- 

 fornia and has been recorded from Cincin- 

 nati; 11. bajalus Linn., elytra black with 

 gray pubescence, length 19-23 mm., in- 

 habits the "United States." 



X. Meeium Kirby. 1837. (Gr., "the 

 hip.") 



This genus contains but the single spe- 

 cies: 



1888 (6007). Merium PKOTEUs Kirby, Faun. Bor. 

 Amer., IV, 1S37, 172. 

 Oblong-subdepressed. Head and thorax dull 

 blue; elytra greenish-yellow with nodules or 

 broken lines of ivory white on basal half; fe- 

 mora reddish-yellow ; antenna, tlbise and tarsi 

 dusky. Thorax short, broad, sides rounded ; sur- 

 face densely punctured, except the shining, 

 smooth space on basal half, which bears a few 

 coarse inaicturcs each side. Elytra coarsely and 

 Length 11-14 mm. 



May 25. A northern species. 



Fig. 431. (After Smith) in Fifth Rep. 

 U. S. Ent. Comm.) 



roughly punctate, 



Marion County; rare. 



