'nil'; MKii.wnmii) hakk' nKK/rrjos. 1287 



Horn, ill his I.-ilcst p.-ipcr nlioNC cited, divides tlie r;iiiiily into ten 

 ti'ilies. Of tlu'se represciilativcs of sex'i'ii luixc liecii 1;ikcii in In- 

 diana, while those oL* two others prohaMy occur. 



KKY TO IMIIANA I'KU'.KS (IF M I I.A MIUV 1 1). K. 



(I. Next 1(1 l;isl .jnint dl' .-ill ilie hirsi Niiiiplc; IimiiI Inrsi (if iimlcs imt di- 

 lated: llior.ix ;is wide ;il ii.-isc as clxlra. 

 /*. Aidfiiii.r Willi last three er I'nui- Juiiils suddt'iily larf^cr. fnnidiij^ a 

 1 use. sIroiiLcly dexclnped cluli; leiiiitli less tliaii »!."» mill. 



Tribe I. TinKAioM I M. p. TJsT. 

 hli. .Viiti'iiua' gradually lliieker er lilifenii. 



c. Front coxa! ea\itles witli an (Hiter lissure uv elel't. 



(I. 'I'liird .joint of antenna' as lim^- as I'ourlli and liftli tei^etlier ; feriii 



broadly oval. 'I'ribe II. 1'i:.\iii:m. p. IliMl. 



(Id. Third .joint of antenna' nol nnieli loii,i,M'r than fourth; I'orni eloii- 



.i^ate. 



('. l""ront coxa' not. pronnneid. rather \videl.\' separated; species 



strongly reseinblin.LC \l( hiiKitii.s ; length 10 11 inni. 



Tribe III. S^ .Ncmtoi .\i. p. lli'.io. 



ce. Front cox;e moderately proininent and nearly c ntiguous; color 



picemis ; leugtlH)-8.r> nun. Tribe I\'. Mai.' oauviNi, p. 1201. 



cc. Front eoxal cavities without fissure; form oval or oblon.g, convex. 



Tribe V. OucHESiiNr. p. 12!)!. 

 (.'(/. Next to last joint of fi'oiit and middle tarsi excavate and emarginate. 

 UKU-e or less lolved beneatli ; front tarsi of males dilated. 

 /. Tarsal claws simple or very slightly broader at base; thorax as wide 

 at base as elytra. 

 (f. Head not constricted lieliiud. Trilie VI. ^Mklandrvini. p. 121».">. 



(;fj. Head suddenly constricted I>eliind the eyes; small species, not over 

 5 mm. in length. Tribe VU. Scraptiini, p. 12i)D. 



/■/. Tarsal claws with a broad tooth or lobe at base. 



//. Middle eoxal cavities open on the outer side; head not prolonged; 

 thorax as wide at base as elytra, its side margins entire, acute. 



Tribe VIII. Notiiini, p. 1:301. 



/(/(. Middle eoxal cavities enclosed by the sterna ; head more or less 



prolonged in a beak; thorax not as wide at liase as elytra, its 



margin evident at base only. Tribe IX. .Mvcterini, p. 1.102. 



Tribe I. TETRATOMINI. 



This tribe comprises small, oval convex forms livini:: in fungi 

 and havinti' the last three or four joints of antenna^ much enlarged, 

 neai-ly eijiial in si/e and forming a loosc^ club; tibial spurs small; 

 next to last tarsal .ioint not lobed, claws simple, eoxtv all separated 

 by their respective sterna. Casey. h)cality cited, has divided the 

 tjnbe into five genera, three of which an^ represented in the State, 

 while a single species of another may occur. 



