THE PHOET-WINGED ^''AVEXGER BEETLES. 413 



if*"' (2443). Stexus flavicoexis Ericlis.. Gen. Spec. Staph., 1^40. Too. 



Eli^ngate. rather sleuder. Black, shining. spMrse- 

 I.v clothed with fine gray hairs. Head nearly twice 

 as wide as long, surface between the eyes feebly 

 c-oucave. finely, elusely and deeply punctate, with 

 a LTiiove each side of a slightly ctmvex ridge. .Vn- 

 tennse k.ng and slender, third joint two-thirds longer 

 than fourth. Thorax widest in front of middle, 

 slightly longer than wide, closely, rather e<'arsely 

 and deeply punctate. Elytra distinctly longer than 

 the width at base, punctures round, rather <mall 

 and deep, separated by mure than twice their width. 

 Abdomen narrower than elytra, the first four seg- 

 ments equal in width, finely, closely and evenly 

 punctate. length 4.i3-l.^ mm. (Fig. 161.) Fig. 161. (OianaL) 



Throughout the State: common. March l;3-Xovember i'^. First 

 deseribed by Say under the name >'. g( niciila-tus. which name was 

 preoccupied. 



*7fM:; (2444). .Stenus AXXfiAEis Erichs.. Gen. Sp. Staph.. 1S40. 735. 



Elongate, robust, subcylindrical. Black, strongly shining, sparsely clothed 

 with grayish pubescence. Head small, much less than twic-e as wide as 

 long, surfac-e between the eyes nearly flat, coarsely and Irr^nlarly punc- 

 tate, convex at midcjle. Antamae longer than the width of head, piceous- 

 brown. the club darker, third joint two-thirds longer than fourth. Thorax 

 about as wide a* long, widest just in front of middle, coarsely and irregu- 

 larly punctate, with several small smo<:pth spaces at middle. Elytra at base 

 slightly wider than head, a little longer than thorax, punctured as in 

 flavicornis. Abdomen at base slightly narrower than elytra, thenc-e feebly 

 tapering to apex, finely, closely and evenly punctate. licngth .>-5..5 mm. 



Lake. Kosciusko. ]\Iarion and Vigo coimties; scarce. January 

 7-J"une 25. Hibernates beneath kigs and rubbish. 



797 (2451). SrExrs caxadexsis Casey. Rev. Sten.. lsS4. 17.o. 



Elongate, rather robust. Black, shining, sfiarsely and finely pubesc-ent. 

 Head twic-e as wide as long; surface between the eyes feebly convex, finely, 

 evenly and densely punctate. Antennae as long as width of head, reddish- 

 brown, the clnb darker; third joint one-half longer than fourth. Thorax 

 widest distinctly liehind the middle, slightly longer than wide: rather 

 wiarsely. den.sely and somewhat unevenly punctate. Elytra at base equal 

 in width r>'' head, one-third longer than thorax: punctures round, deep, 

 evenly distributed, separated by about their own width. Abdnmen a< wide 

 at base as elytra, thence gradually and feebly tapering, rather coars'-ly. 

 densely and evenly punctate. Eength 4.7-5 mm. 



Starke and Kos.-iitskn eountii-v: scarce. :May 19—June 25. 

 Taken bv beating low herbs on borders of marsh(-s. Known from 

 Ontario and northern Illinois. 



