404 FAMILY XI. — STAPFYLINIDiE. 



cc. Median iiniu-ession of thorax beginning belaind middle, wider, nmcli 

 more shallow and inconspicuous; clytral surface much less chan- 

 neled, the punctures distinct over a great part of their area ; fifth 

 segment of male not notched at apex. 782. similiatus. 



7S0 (2.311). Stents juno Fab., Syst. Eleut, II, 1801, GU2. 



Elongate, robust. Black, shining, very finel.v and sparsely pubescent ; 

 antennae, palpi, tibife and tarsi piceous. Head scarcely t«ice as wide as 

 long, the front coarsely punctate, with a deep groove each side, separated 

 b.\- a strongly convex ridge. Thorax subcylindrical, slightly longer than 

 \vide, widest at middle ; coarsely, closely and evenly punctate, the punc- 

 tures confluent near base and apex ; the median impressed line very faint, 

 two-thirds the length of disk. Elytra coarsely, deeply and densely punc- 

 tured and channeled, the spiral on the side just behind middle. Abdomen 

 one-third narrower than elytra, deeply and rather sparsely punctate, the 

 first four dorsal segments deeply impressed ;it base, their transverse carinte 

 with three cusps projec-ting backward. Length 4.5 mm. 



Lak^ Vigo and Posey counties; frequent in Lake, scarce in the 

 others, irareh 26-Jiily 1. Taken from beneath rubbish on the 

 bench of Lake Michigan and from under logs on wooded hillsides 

 in the southern counties. 



8. austhii Casey, 3.5-3.8 mm. in length, a member of the boreal 

 fauna, ranges f iMm New Hampshire to Lake Superior and probably 

 occurs in northern Indiana. 



781 (23]lt). Stents FEMOEATrs Say. lYans. Amer. Phil. Soc. IV, 1834. 

 459 ; ibid. II, 574. 



Short, rather robust. Black, shining, clothed with short and sparse sub- 

 erect pubescence, orange-yellow on the abdomen, grayisli (4sewhere; legs 

 dusky yellow, the remora darker at apex. Head more tlian twice as wide 

 us long, surface l)etween tlie eyes concave, finely and densely punctate and 

 with a median ridge; anlennre reaching middle of thorax, piceous, the third 

 joint less than one-half longer than the fourth. Thorax finely, closely and 

 irregularly punctate and with a narrow, deep impression on median third. 

 Elytra densely and irregularly punctate, the punctures united into channels 

 over most of the surface, the s|iiral behind the middle. Al)dnmen narrower 

 at base than el.vlra. tlieuce distinctly taiiering to apex; tinely and densely 

 punctate, the transverse carina' with three cusps. Length :'...'5-4 nun. 



Marion County; scarce. April 4-April 24. Probably occurs 

 throughout the State. 



7S11 ( ). SteriiS si.M n.i.vrrs s]i. nov. 



Short, robust. Bl.-iek, shining, very finely and sparsely pubescent; an- 

 tenna^ piceous ; lou's reddish, the I'omora darker at tips. Head twice as wide 

 as long, surface between tlie e.ves feeliiy concave, its median portion slightly 

 convex, rather coarsely and closely punctate. 'IMiorax slightly longer than 

 wide, widest at middle; co.irsely and <'lesely punctate and with a shallow 

 impressi(m on basal half. Elytra as long as wide, one-fifth longer than 



