1S4 KA.MILY II. (' \ I (All I ILK. 



'. Thorax distinctly narrowed behind, sides not depressed, base not 



punctured ; elytra not alutaceous. 



/. Length 9.5-10 mm. SPADICEI s. 



//. Length 7.5-8 mm. 342. AUTUMNALIS. 



ee. Thorax not narrowed behind. 



I/. Body oblong-oval ; thorax not distinctly narrowed in front. 

 Ji. Hind angles of thorax obtuse or but very slightly rounded. 

 /. Base of thorax finely punctured ; length 8.5-10.5 mm. 



FALLAX. 



//. Base coarsely punctured; epipleura reddish-brown; length 



7.5-10 mm. PLEURITICUS. 



////. Hind angles distinctly rounded; thorax one-half wider than 



long; length 8-10 mm. 343. HERBIVAGI s. 



!/<>. Body nearly elliptical; thorax narrowed in front. 



/'. Elytra ahitaceous; sides of thorax feebly depressed; length 



8.5 mm. OPACIPENNIS. 



././. Elytra not ahitaceous; sides of thorax not depressed; length 



6-7.5 mm. 344. NITIDULUS. 



<!</. Legs, or at least the femora, black or piceous; margin of thorax 



not paler. 

 /,. Head decidedly narrower than thorax. 



/. Thorax not much wider than long: tibi;e and tarsi reddish- 

 brown ; length 0-!>.5 mm. INNOCUUS. 

 U. Thorax distinctly wider than long: legs wholly black; length 

 10-11.5 mm. HI FIMANTS. 

 /.7.- . Head very large, scarcely narrower than thorax. 



in. Sides of thorax distinctly depressed, hind angles rectangular: 



length 12-14 mm. 345. LATH KPN. 



nun. Sides of thorax int depressed, hind angles rounded at apex: 



length 13-14 mm. 34G. VIIHTS. 



da. Klytra very slightly sinuate at apex; abdomen with accessory set-o; 



piceous. thorax and elytra greenish-bronzed. IJKAVJS. 



340 ( I07C. I. HARPAIJS im iiRors I >ej.. Spec. IV. 1828. 258. 



Oblong-oval. Color given in key: elytra strongly iridescent; aiitemre 

 and legs pale. Thorax broader than long; sides broadly rounded, rather 

 widely depressed: hind angles obtuse, somewhat rounded; base finely punc- 

 tured. Elytra 1 strije deep; intervals convex. Length 10-11 nun. 



Throughout the State; frequent. April :2()-Xoveiiil><>r "JO. <)<- 

 ciii's beneath lo^-s in dry, open woods. Due to its iridescence and bi- 

 colored upper surface. Ibis is flic prettiest member of the genus. 



.">41 (1077). HAiti'ALi s VII.PKCI us Say. Trans. Amer. Phil. Soc.. IT, 1S2:;. 

 30; ibid. II. l.",s. r.ir,. 



Oblong-oval. Color of iliclirmix. the elytra usually paler and less irides- 

 cent. Thorax broader Ihan loirj;. sides rounded in front, oblique and dis- 

 linclly converging behind : hind angles rectangular. Klylral slri:i- moder- 

 ately deep: inlervals convex. Length s..~> :i.."i mm. 



