296 FAMILY IX. SCYDJL-ENIDyE. 



siou marked with four small fovea?. Elytra nearly three-fourths wider than 

 thorax; the humeral folds rather long and strongly marked, each with a 

 deep fovea at base. Length 1 mm. 



Kcs'.-iusko County; scarce. June 24. Sifted from moss in tam- 

 arack swamp. 



K. dcbilis Casey, deep black, length .7 mm. was described from 

 Detroit. 



II. PYCNOPHUS Casey. 1897. (Gr. "compact.") 



Head large, truncate at base; neck strongly constricted; an- 

 tenna' widely separated at base; third joint of maxillary palpi 

 long. Ihc basal half forming a long and slender peduncle. 



574 (1834). PYCNOPiirs KASUS Lee.. Proc. Phil. Ac-ad. Nat. Sci., VI, 1S52. 



153. 



Rather stout. Uniform pale reddish-brown, shining, nearly glabrous. 

 Head wider than long, wider than apex of thorax. Autemue longer than 

 head and thorax, the joints of club gradually increasing in size. Thorax 

 slightly longer than wide, sides parallel from base to middle, thence con- 

 verging to apex; disk somewhat flattened and with a small hut deep fovea 

 near each hind angle. Elytra twice as wide as thorax, sides broadly and 

 evenly curved; humeral fold short and broad, basal i'ove;e small and deep. 

 Length 1.0-1.8 mm. 



Lake, Starke. Marshall and Marion counties; scarce. May 20- 

 December 30. Occurs in nests of ants and beneath logs in sandy 

 places. 



III. COXNOPHRON Casey. 1897. 



A large genus of closely allied species having the thorax coni- 

 cal, without basal fovea"; body rather stout and inflated; head mod- 

 erate in size, convex ; eyes placed in front of middle ; maxillary 

 palpi with third joint elongate and obconic. the fourth small, slen- 

 der and aciculate; femora, especially the front and middle ones, 

 usually strongly club-shaped. Casey has listed 82 species, of which 

 the following have been taken or may occur in Indiana : 



KEY TO INDIANA SPECIES OF CONNOPHKO.X. 



/. P..-IMI! joint of hind tarsi not or scarcely longer than second, the first 

 four joints being subequal : hind tibia* of male rarely with a spur at 

 apex. 

 &. Antennal club 4-jointed, often gradually formed. 



c. Clypeus toothed at middle of apical margin, the tooth sometimes 



minute; length more than 1 mm. 

 (I. Elytral pubescence long, erect and generally fine. 

 c. Clypeal tooth large or moderate and distinct. 

 f. Species more than 1.5 nun. in length. 



