THE HISTER BEETLES. 



//. Pygidiuni not grooved. 



g. Fourth dorsal and sutural united, the latter strongly impressed 

 at base. 



Outer subhumeral stria short, distinct. 1188. confobmis. 

 ////. Outer subhumeral stria entirely absent. 



Fourth dorsal stria nearly as long as first; length -F 

 4.5 mm. 1189. simulatus. 



it. Fourth dorsal distinctly shorter than first; length less 

 than 2.5 mm. 1190. minutus. 



gff. Fourth dorsal arched at base; sutural stria very feeble, inter- 

 . rupted at base and apex: length 3.2 mm. 1191. oyiformis. 



1182 (3571). Saprinus rotuxdatus Kugel. Schneider Mag.. III. 1792. 304. 



Broadly oval. Piceous or black, shining; legs and antennae brownish- 

 red. Thorax rather coarsely punctate over its entire surface. Elytra with 

 first dorsal entire but very fine beyond the middle ; second, third and fourth 

 nearly equal, reaching middle; fifth represented only by a short basal arc. 

 sometimes uniting the fourth and sutural. the latter very short, on basal 

 fourth only; surface sparsely punctured on sides and base, more densely 

 on apical third. Front tibiae with five teeth. Length 2.5-3.5 mm. 



Marion. Yigo and Crawford counties: rare. May 15-October 9. 

 Taken from decaying fungi at base of oak stumps. 



1183 (3579). Saprixvs posthumus Mars.. Monog. Hist. 1862, 4G0. 

 Broadly oval. Black, strongly shining. Thorax with middle sparsely, 



sides and base more densely and coarsely, punctured. Elytra with first 

 dorsal extending three-fourths to apex, second, third and fourth subequal, 

 reaching middle, the fourth arched at base and joining the sutural. which 

 extends nearly to apex; surface of apical third coarsely but rather sparsely 

 punctured, the punctures extending from the first stria to the suture. Front 

 tibia? with a number of fine teeth. Length 3-3.5 mm. 



Marshall. Tippecanoe. Putnam and Posey counties: scarce. 

 May 8-Oetober 17. 



11S4 (3583). Saprixus lugexs Erichs.. Jahrb., 1834, 181. 



Broadly oval. Black, moderately shining. Thorax feebly ini] >ressed on 

 each side near the front angles, disk smooth, sides with punctured space 

 broader in front and at base, narrower along the basal margin. Ely- 

 tra with a large, well defined scutellar space and a much smaller sub- 

 humeral one smooth : remainder of surface densely punctured : first and 

 second dorsal stria? extending two-thirds to apex, third and fourth a little 

 shorter and nearly equal, the fourth slightly arched: the sutural absent 

 on basal third. Front tibia? with n number of line teeth. Length 4-0 mm. 



Lake County ; rare. June 4. Not before recorded east of the 

 Mississippi Rrrer. but said to be abundant at the eastern base of 

 the Rocky Mountains and westward. 



