THE :\[KTAT-i,ir W(Hin-r.oKMNn bkiotI/KS. 77!) 



hh. Mesoslenial siiturc ilisliiicl: imrcs uT iinlomiii! in small pits on tlio 

 under side of llic joints; size medium, rarely o\-er 17 nnn. 

 c. I'rosternal spine ohlnsely rounded at apex. 

 (/. Menlum entirely horn-like; elytra without yellow markiuiis. 

 c. Seutellnm small, rounded; tarsi broad, shorter than th(> tibia-. 



II. IMCKIU'A. 



(■('. Seutellnm murh broadi-r than loni,'. trun<-ate behind. 



III. rcEt'ILONOlA. 



(hi. Mentnm membranous in t'r(*n( ; elytra usually marked with yel- 

 low. 1 \'. P>ri'i!i;sTis. 

 cc. I'rosternal spine acute at apex; form very slender. \'. Cinyha. 

 (la. I'rosternal spine acutely an.nulaled behind the coxa', acute at tip; epi- 

 mera of metathorax ii.-irlly covered by abdomen. 

 f. Clypeus not contracted by the insertion of the antenna- ; size small, 

 usually flattened. 

 <f. jMentum leather-like in front; base of thorax sinuate. 



VI. MELANOrilll.A. 



<j(j. jNIentum entirely horn-like. 



/(. Base of thorax truncate; antenna' serrate in both sexes. 



VII. Anthaxia. 



lili. I'ase of thorax sinuate; antt-nna' pectinate in male, serrate in 



female. Xenobhipis. 



//'. Clypeus contracted b,v the antenna' bein;j: inserted at the inner ex- 



trenuty of short obli(iue grooves; size medium; form rather l)roa(l 



and fiat, 



/. Third .ioint of tarsi truncate; hind tarsi with lirst joint eloui^ate; 



seutellnm lar,i,'e. acuminate. ^'III. ('iikysoi5othris. 



/(. Third joint of tarsi nuicli prolonged at side; hind ttirsi with first 



and second joints equal; scutellum small. IX. Actenodes. 



T. CifALCHH-nioRA Sol. 1S83. (Gr., "copper f bearing. ") 



Here lieloiig the largest of (uir IJuprcstids. liaving the antenna' 

 inserted in small fovea'; nientnni i)roa<ll\' eniarginate in frofit; hind 

 tarsi with first .ioint elongated, 'i'lie males have a distinct sixth 

 ventral segment. 



KKY TO INDIANA SPECIES OF CII A l.COl'llOIJA. 



<i. .Margins of elytra entire oi' vei'y finely serrate; median dorsal imiires- 

 sion of thorax broad, more or less irregular. 

 h. Sutur.al stria of elytra on apical half only; color dull black, feebly 

 bronzed. 1180. virginiensis. 



/(//. Sutnral stri:i of elytra eidire; coppery or brassy yellow. 



14.S1. I.IBERTA. 



(1(1. Mai'gins of elytra sti'ongly serrate on apical third; median im])ression 

 of thorax deep, narrow. 1482. campestbis. 



