uioiM'-wrxcKn scavkngki? ukkti.ks. 



373 



secoml. riinrav <iua.lrai.gular. sliKl>U.v luiigei- Ihau wkUs sides nearly 

 straiL;Iil. I>ase rounded, disk will, .miy Iwo puiK'tures iu the dorsal rows, a 

 I;,,--.' <ino near sid.' iiiar^iii nf api.al hall' ami a few on basal uiaryiii. Kly 

 mrsligldly wider LIk.u thorax, together oiiedialf h.uger than wide; disk 

 With a median row o( four or live puuetures; deHexed ijortioii of side mar- 

 gins densely piuielate. Abdomen iridesrent. ratiuT coarsely and deusely 

 pimclale. Length S-ll mm. 



Western hiiir (>r Stale: riviitieiit. April l-iNoveiiihcf 24. Oe- 

 .•urs henrnlh eover, esi»(M-ially iu sandy i)laces near water. 

 714 (-2110). QLEuiLS vEiiNix Lcc., I'roe. Amer. Phil. Soc, XVII, ISTS, a«'J. 



More robust. Uuiform black, strongly shining. Head oval, with the 

 usual coarse puuctures, the snuill ones only behind and beneath the eyes. 

 Thi.rax large, broader than long, narrower in front; sides moderately 

 curved, base broadly rounded ; disk punctate as in /c/o.r, punctures of basal 

 margin very small. Elytra as wide as thorax, together slightly wider than 

 long, sutural striie deep; disk punctate as in fcro.,; tliose on the detiexed 

 sides less numerous. Abdomen iridescent, sparsely i)uuctate. Length lli 

 14 mm. 



Western lialf of State, a.s far soiUh as Vigo County; frequent, 

 rsp.M-ially so along the margins of lakes. April 2-Septenil)er 2( . 



Tribe IL STAPH YLlNlxNL 



Head without suture or raised liue each side beneath the eyes. 

 Antenna- distant from each other at base, never elbowed, inserted 

 on the front margin of the front, inside of the base of the mandi- 

 l.jes; labrum al\\ay.s bilobed, thorax more or less convex, frequently 

 densely punctured, with the side margins double, the infiexed por- 

 tion between the two marginal lines smooth, variable in width; tho- 

 racic spiracles visible. The tribe embraces the largest species of 

 the family. They live in decaying fungi, carrion, dung and decom- 

 posing organic matter in general. 



The North American members of the tribe are at present dis- 

 1ril)uted among 1:^ genera, seven of which are represented in In- 

 diaiui. 



KEY TO INDIANA GENERA OF STAPHYLININI. 



„. l-,,urlh Joint of maxillary pali)i shorter than third; size large, 10 or 



more mm. 



h. Thorax punctured, densely pubescent. XXX. Listotrophus. 



hi, Thorax smooth, pubes.-ent only .m front angles; middle coxai widely 



separated. >^>^'^I- CREophills. 



ua. Fourth jninl of maxillary palpi e(iual to or longer than third. 



,-. Ligula emai-giuate; size larger, 11 or more mm.; form usually rot)Ust. 



(I Middle co.Kje slightly separated; abdomen narrowed at tip; thorax 



punctured, pubescent. XXXIl. Staphyunus. 



