TTT.E LONG-HORNED WOOD-BORING BEETLES. 



1010 



KEY TO INDIANA SPECIES OF CALLIDIUM. 



a. Thorax and elytra blue. 



J). Thorax finely punctured and impressed. 

 bh. Thorax deeply punctured, not impressed. 

 aa. Thorax and elytra dull" brownish-yellow. 



1887. 



ANTENNATUM. 

 JANTHINUM. 

 JEREUM. 



Fig. 430. Callidium ardennatum. 



1887 (6008). Callidium antennatum Newm., 

 Ent. Mag., V, 1838, 393. 

 Elongate-o b 1 on g, subdepressed. Deep 

 blackish-blue. Antennae 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. janthinum Lee, length 10-13 nun., was described from Texas 

 and has been recorded from Cincinnati. C. cereum Newm., length 

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



Hylotrupes Ugneus 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; II. bajalus Linn., elytra black with 

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

 habits the " United States." 



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

 hip.") 



This genus contains but the single spe- 

 cies : 



1S88 (6007). Merium peoteus Kirby, Faun. Bor. 

 Amer., IV, 1837, 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 ; antennae, tibiae 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 punctures each side. Elytra coarsely and 

 Length 11-14 mm. 



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

 U. S. Ent, Comm.) 



roughly punctate 



Marion County; rare. 



May 25. A northern species. 



