770 



FAMILY XXXVII. ELATEEID/E. 



male ; subquadrate, move convex, sides more distinctly curved, female ; disk 

 rather finely punctured, more densely and coarsely on sides ; median im- 

 pressed line distinct on basal half. Elytra 1 stria? finely punctured ; intervals 

 subcouvex, rather sparsely punctulate. Length 11-14 mm. 



Lake County; scarce. July 1-July 11. Horn placed this as a 

 depauperate form of hiriitaoinus, hut the latter always has the third 

 and fourth joints of antenmp equal. Blanchard. who has given 

 much study to the Elaterid:x>, considers the two distinct. 



*14GS (4510). ASAPHES MEMNONIUS Hbst.. Kafer, X, 1806, 29. 



Elongate, robust. Piceous to pale brown, sparsely pubescent; legs paler. 

 Thorax as long as broad, sides nearly straight, less convex, male; broader 

 than long, strongly convex, sides moderately curved, female; disk densely 

 and coarsely punctate; hind angles with carina parallel with the margin. 

 Elytral stria.' moderately deeply impressed with coarse shallow punctures; 

 intervals subcouvex. rather densely punctulate. Length 15-22 mm. 



Throughout the State, frequent; less 

 so in the southern counties. June 8-De- 

 cember 27. Occurs beneath stones and 

 rubbish in dry localities. Taken in win- 

 ter from beneath the bark of red oak 

 logs. 



A. drcolnra'tus Say, piceous, black, 

 often feebly bronzed, legs paler, length 

 9-15 mm., is said to occur in the "At- 

 lantic region as far west as Missouri." 

 (Pig. 291.) 



Fig. 291. X 4i. Asaphes decolorutus Say. 

 (After Forbes.) 



1400 (4511). ASAPHUS BILOBATUS Say, Trans. 

 Arner. Phil. Soc., VI. 1836, 

 174; ibid. II, 610. 



Elongate, rather slender. Dark chestnut 

 to paler brown, shining ; finely and very sparsely pubescent ; antenna? and 

 legs paler. Thorax of male longer than wide, sides straight, convergent in 

 front; of female, nearly square, sides more or less curved, rarely slightly 

 sinuate behind the middle ; disk in both sexes moderately convex, finely 

 and rather sparsely punctate ; hind angles obtuse, not carinate. Elytra 

 striate, the stria? coarsely punctured: those nearest the suture much less 

 deep in female; intervals subcouvex. each with two rows of fine punctures. 

 Length 13-16 mm. 



Laporte and Posey counties; rare, .lime 25-August 20. 



XLITI. MELANACTES Lee. 1853. (dr., "black + shining.") 



Large, smooth, shining black beetles, distinguished from allied 

 genera by having the sides of the mesosternal cavity raised and 

 swollen so as to be protuberant, and the tarsal joints furnished be- 



