1269 



THE DARKLING BEETLES. 



Throughout the State; frequent. April 9-June 30. Occurs ib 

 eoloniXeath loose bark of old snags, especially those of red aud 

 black oak. Our most brilliant member ot the family. 



H. venustus Say, color of length 9-9.5 m^, ,s s.d by 



Horn to be "not abundant in the Middle and Southern States. 

 2349 ( 7548). Helofs amertcanus Beaut, In* Afv. et Amer., 1805 122 



vex, sparsely but distinctly punctate. Length 10.5-13 an , 



Duhois and Crawford counties; scarce. May 15-May 19. 

 2350 (7565) HM*PS »» Gevmar., Insect. Sp. Nov., 1824, 159 



^ugly convex. « 

 1«« three joints subequal and shorter than thos and 

 vex, one-half broader than long; front angles "te^urta 

 equally punctured. Elytra with rows of hue, scarcely impress 

 intervals flat, smooth. Length 7-9 nun. 



Throughout the western half of State ; common beneath bark. 

 JS 5 June 14 Gregarious. Resembles Meracantha contracta m 

 small", Easily distinguished by the numerous 



grooves on under side of thorax. 



cirfdot** Germ., elytra bronzed with rows o ^uqc 

 tures, intervals flat, smooth, length 10-12.5 mm., is a southern spe 

 cies which has been recorded from Cincinnati. 



Tribe VIII. MERACANTHINI. 

 Ovate, strongly convex wingless species having ^ the head re 



• 4.1. ^ v, oflT .iv to the eves which are large, transveibe 

 caved in the borax near y to the ey q£ ^ ^ 



; y X" is represented by a single genus and this m turn 

 ! single species, which occurs east of the Mississippi River. 



XXVI Meracantha Tvirhy. 1837. (Or., "thigh + spine.") 

 2351 (7578). M SK A„ C o_ Beauv In. 



