TIIK 1).\I^K1.IX(; HKKTLES. TJd!) 



'riii'ouiilinut the Stiitc; rr('(|iiciit. Ajdil D-.June 30. Occurs in 

 colonies beneath loose hai'k ol! old snaii's, especially those of rod and 

 black oak. Our most brilliant member of the family. 



//. tu )iush(s Say, eoloi- of micaiis. length i)-!).r) uuii., is said by 

 Horn to I)e "not abiiiidani in the .Middle and Southern States." 



L'.".4!> (THIS). IlELors ami.uu am s I'.c;iii\,. Iiis. .\lr. el .Viner.. 1805, 122. 



F.l(Hi,i;ate-()l>l(iii.u:. r.hick. luMiizcd. .Vnlciiii.i' willi terminal joints less 

 ctiniiiressed tliau in itiiciiiis niMJ scarcely slierler liiaii tiiose j) recoil int;. Tho- 

 I'a.x almost twice as wide as IdiiLC. maruiiis (iisliiiciiy iiiKliilale. angles rec- 

 tan.milai-; surface cdai-sely and (lens<'iy punclate and witli a small depres- 

 sidu each side near base. !]lytra rallier deeiily striate; intervals sulx-on- 

 vex, sparsely but distinctly punctate. Length 10.5-lo mm. 



Dubois and Orawl'ord counties; scarce. May 15-May 19. 



2;>ri(> (THtlS). llET-ors .Kuia'.s (iermar., Insect. Sp. Nov., 1824, l.jl). 



Shc.rt, oval, stnaigly convex. Blackish-bronzed, shining. Antennjewith 

 last three joints sulxHinal and shorter than those i)receding. TliiKrax con- 

 vex, one-half broad«n' than long; fnmt angles subacute, surface densely and 

 (Miually punctured. Elytra with rews of line, scarcely impressed punctures; 

 intervals Hat, smooth. Length T-'J nun. 



Throughout the western half of State; common beneath bark. 

 April 5-June l-t. Gregarious. Resembles Mcracantha contracta in 

 form, but much smaller. Easily distinguished by the numerous 

 grooves on under side of thorax. 



//. cisteloidcs Germ., elytra bronzed, witli rows of fine punc- 

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

 cies which has been recorded from Cincinnati. 



Tribe VIII. MERACANTllINI. 



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

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

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

 obli(|uely elevated; antenme long and slender, the outer joints very 

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

 coxa' rotmded, middle ones with distinct troehantin, hind ones 

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

 t.(wth. The tribe is represented by a single genus and this in turn 

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



XX\'l. Mi:i; \('AX'rii.\ Kii-by ]H'M. ((Jr., "thigh f spine. ") 

 2.">r>l (ToTS). MKK.vc.vNruA co.NrKACTA I'.eauv., Ins. Afr. et Amer., 180r>, 122. 

 I'.readly ovate. I'obnsl. strongly convex, i'.lackish-brouzed ; antenna? and 

 legs pice .us. Thorax suln|uadrate. convex, coarsel.v. irregularly and rather 



