188 FAMILY II. — CAEABIDJi;. 



Jogs aud rubbish in dry or sand^- pinei's, und soiiie of Lheiu are very 

 common on the wing during the first warm days of Mareh or April. 

 Six species and one variet}^ have been taken in Indiana. 



KEY TO INDIANA SPECIES OF STENOLOPHUS. 



a. Thoi-ax but little naiTOwer than elytra; body stout; front and middle 

 tarsi of male broadly dilated. 

 6. Sides of thorax broadly flattened, scarcely reflexed; black, feebly 

 shining ; length 7-7.5 mm. 351. caeeonakh s. 



66. Sides of thorax naiTowly margined, the margins not reflexed. 



c. Basal impressions of thorax broad and shallow ; black, shining, 

 elytra piceous or brownish-yellow, slightly iridescent ;' length 7- 

 7.5 mm. 352. ruLiGiNOsrs. 



cc. Basal impressions of thorax small, rounded, not or very sparingly 

 punctured. 

 (1. Thorax with disk distinctly black or piceous, the margin reddish- 

 brown ; length 5 or more mm. 

 c. Pale margin of thorax narrow ; elytra wholly black. 



353. PLEBE.IUS. 



ee. Pale margin of thorax broader ; elytra dull reddish-brown, the 

 tips darker. 353a, var. fuscatds 



M. Thorax eithej' uniform reddish-brown or piceous, without distinct 

 blackish discal spot; length not over 4.5 mm. 



354. CONJUNCTTIS. 



ltd. Thorax distinctly narrower than elytra ; body more slender ; front tarsi 

 of male moderately dilated, fourth .joint deeply bilobed. 

 f. Thorax and elytra black or piceous, with narrow paler margin; su- 

 tural stria long, joining the first dorsal. 355. ochkopezus. 



//. Thorax bro\'\-nish- yellow ; elytra iridescent black with brownish-yel- 

 low side margins; sutural stria short, not joining first dorsal. 



DISSIMILIS. 



.'(51 (n:;5). Ste.'<oi,ofhls cakuonarius Dej., Sp. Gen., IV, 1S28, 39S. 



BJongate-oblong. Black, feebly shining; first joint of antenna^, tibiie 

 and tarsi brownisli. Thorax as broad at middle as elytra ; sides roundeil 

 into base; margins flattened, especially near hind angles; basal impressions 

 broad, shallow, sparsely and finely punctate. Elytra alutaceous, the su- 

 tural stria long, the others deep. Length 7-7.5 mm. 



Putnam County; rare. October 17. Sifted from debris near a 

 hillside spring. 



.",52 (1138). Stenolophus FtLioiNOSLs Dej., Spec. IV, 1828, 423. 



Oblong-oval. Color given in key ; tarsi, base of antennie and narrow 

 margin of thorax brownish-yellow ; femora and greater portion of antennm 

 darker. Thorax subquadrate ; as long as broad, hind angles broadly rounded. 

 Elytra! striae rather deep ; intervals moderately convex. Length 7-7.5 mm. 



Throughout the State ; frequent. Hibernates. January 1-Oc- 

 tober 21. 



