THE SHOKT-WINGED SCAVEXGEE BEETLES, 4oO 



rax widest just behind the middle, where it is a little broader than long 

 and slightly broader than head; disk, as well as that of elytra, coarsely and 

 rather sparsely punctate. Elytra at base equal in width to thorax, the su- 

 tural strife deep. Abdomen smooth, strongly margined toward the base. 

 Length 1-1.2 mm. 



Floyd County : rare, ilay 24. Two specimens taken by Dury 

 while siftiijg. and now in his collection. 



SS7 (2480). Ev.ESTHETUs AiiEBicA^;rs Eriehs.. Gen. Spec. Staph., 1S40. 747. 

 Elongate, rather robust. Piceous or very dark reddish-brown; an- 

 tennae and legs paler. Head slightly wider than long, nearly as wide as 

 thorax, coarsely and rather closely punctate. Thnrax one-third broader 

 than long; sides broadly rounded to behind middle, theme rapidly converg- 

 ing to base : disk coarsely and closely punctate. Elytra at base one-half 

 wider than thorax, finely, evenly and rath.er closely puuetate. Abdomen at 

 base as wide as elytra, rather finely punctate. Length 1.2-1.5 mm. 



Lake and Kosciusko counties; rare. ]\Iay 2.3-June 2-5. Taken 

 by sifting debris from margins of sphagnum bogs. 



Oue species of Edaphus is laio\\Ti from near "Washington. D. C. 

 Alabama and Louisiana, and one of Stittocraniux from the former 

 locality. The^' resemble members of the family Pselaphidae very 

 closely and occur under old leaves and in nests of ants. 



Siil)famil}- Mil. OXYPORINAE. 



Elongate, robust species having the antenns 11-jointed. ins(-rted 

 under the side margin of the front : head very large, usually wider 

 than thorax : eyes small, not prominent; mandibles long, crossing at 

 an angle; mentum with a bifid tooth at middle; last joint of labial 

 palpi very large, lunate ; middle coxae at the sides of the breast : 

 tarsi JSve-jointed ; abdomen strongly margined. The subfamily is 

 represented by the single genus : 



LXX. OxTPOEUS Fab. 1702. rf4r.. "to run."") 



This genus, sufficiently characterized above, is represented in the 

 United States liy 13 nominal species, eight of which have been taken 

 or probably occur in Indiana. All of the species feed upon llcshy 

 fungi. The^- are treated b^- ■ 



l,-Confe.---In Trans. Amer. Ent. Soc. VI. Is77. 211-215; VIIL 

 1880. 180. 



KEY TO IXDIAXA SPECIES OF OXTPORFS. 



a. Elytra with the sides finely rugose : black ; elytra pale, suture and sides 

 black ; tibia' and tarsi pale. femobaus, 



aa. Elytra polislied, with the usual strisf and punctures. 



