THE SHORT-WINGED SCAVENGE!! BEETLES. 



459 



i-ax 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 striae deep. Abdomen smooth, strongly margined toward the base. 

 Length 1-1.2 mm. 



Floyd County; rare. May 24. Two specimens taken by Dury 

 while sifting, and now in his collection. 



887 (2480). Eujesthettjs American's Erichs.. Gen. Spec. Staph., 1840, r47. 



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. Thorax one-third broader 

 than long : sides broadly rounded to behind middle, thence rapidly converg- 

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

 wider than thorax, finely, evenly and rather closely punctate. Abdomen at 

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



Lake and Kosciusko counties ; rare. May 25- June 25. Taken 

 by sifting debris from margins of sphagnum bogs. 



One species of Edaphus is known from near Washington, D. C, 

 Alabama and Louisiana, and one of Stictocranius from the former 

 locality. They resemble members of the family Pselaphidae very 

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



Subfamily VIII. OXYPORINAE. 



Elongate, robust species having the antennae 11 -jointed, inserted 

 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 coxa? at the sides of the breast: 

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

 represented by the single genus : 



LXX. Oxyporus Fab. 1792. (Gr.. "to run.") 



This genus, sufficiently characterized above, is represented in the 

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

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

 fungi. They are treated by : 



LeConte.—In Trans. Amer. Ent. Soc. VI. 1877. 211-215: VIII. 

 1880. 180. 



KEY TO INDIANA SPECIES OF OXYPORUS. 



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

 black : tibiae and tarsi pale. femokalis. 

 aa. Elytra polished, with the usual stria- and punctures. 



