408 FAMILY XI. — STAI'HYLINID.T:. 



dd. Elyti-al suture much longer th;m tliorsix ; head not wider than ely- 

 tra ; legs plceous ; length 2.(; mm. animatus. 

 aa. Transverse cariuie without cusps; thorax with a narrow elevated longi- 

 tudinal carlnii on its basal half; length 2.3-2.S mm. cakinicolus. 



7SG (2370). Stenus colonus Erichs., Gen. Spec. Staph., 1840, 699. 



Rather slender. Black, shining, sparsely clothed with fine gi'ay pubes- 

 cence; legs black; antennro and tarsi brownish. Head less than twice as 

 \\ide as long, surface between the eyes flat, finely and densely punctate. 

 -Vnleinife short, not longer than width of head; third .loint less than one- 

 hall' longer than fourth. Thorax subcylindrical, widest slightly behind the 

 middle, finely and densely punctate. Elytra one-sixth longer than thorax, 

 about as wide at base as head, coarsely, densely and irregularly imnctate. 

 Abdomen slightly narrower at base than elytra, thence distinctl.v taiierhig 

 to apex, finely and rather closely punctate. Length 3-:'>.4 mm. 



Lawrence County; rare. May 23. 



TS7 ( ). Stentjs SDSPEcrus sp. nov. 



Rather robust. Black, feebly shining, sparsely clothed with tine gray 

 hairs; femora black; antennoe, tibia; and tarsi piceous. Head one-half 

 wider than long, coarsely and closely punctate. Antennas reaching middle 

 of thorax, third and fourth .I'oints subequal. Thorax narrower than head, 

 widest at middle, slightly longer than wide, coarsely, densely and roughly 

 punctate. Elytra at base one-fourth wider than thorax, punctate as there, 

 the punctures on sides in evident, irregular channels. Abdomen at base 

 slightly narrower than elytra, feebly tapering to apex, rather finely and 

 closely punctate, the transverse carinse with four fine cusps. Length 3.5 mm. 



Lake and Vigo counties; rare. May 28-October 1. Taken be- 

 neath bark of elm. 



788 (2.377). Stenus hi'milis Erichs., Col. March., 1837, 554. 



Short, rather robust. Black, strongly shining ; legs reddish-piceous, the 

 under side of femora and basal .ioint'of palpi much |)aler. Head twice as 

 wide as long, surface between the eyes feebly excavate, coarsely, closely 

 and evenly punctate, the longitudinal elevation rather strongly convex. 

 Antennae dark piceous-brown, slightly longer than width of head. Thorax 

 robust, widest ,iust behind the middle, rather finely, densely and roughly 

 punctate. El.vtrn at base scarcely wider than thorax at middle, rather 

 coarsely, densely and viu-y roughly punctate. Abdomen as wide as elytra 

 at base, sides nearly parallel, surface rather coarsely and closely punctate, 

 more finely toward apex. Length 2.5-3 mm. 



Koseiu.sko C(mnty ; .scarce. June 24. Ciiscy'.s wammvps is said 

 to be a s^qionym. 



(S', aiiiiiiiifvs Casey and carinicoUis Casey were lioth described 

 from Michigan and probably inhabit northern Indiana. 



