TUP: PAR KM NO r.F.KTLES. 1'Jfi!) 



Throughout the State; frequent. April 9-June MO. Occurs in 

 colonies beneath loose bark of old snags, especially those of red and 

 black oak. Our most brilliant member of the family. 



H. rcnustns Say, color of imcaiis, length 9-9.5 mm., is said by 

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



2: > ,4!> (754S). HELOPS AMKRICANTS Beauv.. Ins. Afr. et Amer., 1S05. 122. 



Elongate-oblong. Black, bronzed. Antenna 1 with terminal joints less 

 compressed than in iiiinuiN and scarcely shorter than those preceding. Tho- 

 rax almost twice as wide as long, margins distinctly undulate, angles rec- 

 tangular: surface coarsely and densely punctate and with a small depres- 

 sion each side near base. Elytra rather deeply striate; intervals snbcon- 

 vex, sparsely but distinctly punctate. Length 10.5-1:! mm. 



Dubois and Crawford counties; scarce. May ]5-May 19. 



2:!.ll> (75<!5). HKLOI-S .KHKI s <Jermar., Insect. Sp. Nov., 1S24, 15<>. 



Short, oval, strongly convex. Blackish-bronzed, shining. Antenmewith 

 last three joints subn|iial and shorter than those preceding. Thorax con- 

 vex, one-half broader than long; front angles subacute, surface densely and 

 equally punctured. Elytra with rows of line, scarcely impressed punctures; 

 intervals flat, smooth. Length 7 '. mm. 



Throughout the western half of State; common beneath bark. 

 April 5-June 14. Gregarious. Resembles Mcracantlia contracta in 

 form, but much smaller. Easily distinguished by the numerous 

 grooves on under side of thorax. 



H. cisteloides Germ., elytra bronzed, with row r s of fine punc- 

 tures, intervals flat, smooth, length 10-12.") mm., is a southern spe- 

 cies which has been recorded from Cincinnati. 



Tribe VIII. MER ACANTHI NI. 



Ovate, strongly convex wingless species, having the head re- 

 ceived in the thorax nearly to the eyes, which are large, transverse 

 and emarginate; sides of head dilated over the base of antenna 1 and 

 obliquely elevated; antenna 1 long and slender, the outer joints very 

 slightly thicker; last joint of palpi strongly hatchet-shaped; front 

 coxa 3 rounded, middle ones with distinct trochantin, hind ones 

 widely separated; front femora armed on under side with an obtuse 

 tooth. The tribe is represented by a single genus and this in turn 

 by a single species, which occurs east of the Mississippi River. 



XXVI. MERACANTIIA Kirhy 1837. (Gr., "thigh + spine.") 

 2351 (757S). MERAOANTIIA CONTRACTA I'.eauv., Ins. Afr. et Amer., 1805, 122. 

 Broadly ovate, robust, strongly convex. Blackish-bronzed; antenna? and 

 legs pice .us. Thorax snbquadrate, convex, coarsely, irregularly and rather 



