'I'm; (iitoiNit r.i'Mri'LKS. i>-> 



44 (llUli. Xi;i;iMA rvii ii'is S:iy. ■rr.-ins. Aiucr. I'hil. Si.r., 11, ISli:;, TS ; iliid. 

 II. I'.M. 



Elunuat»'-n\ ;i!. r.lack. sirmiii.ii : U'us nml .■uiUmiiki' uiilc yellow. Tlinra.; 

 s'.iort. broad, iinu-li nari-nwcd l.'i-liiiul. margins rather wide, slrou.iily I'e- 

 Cexed: hind angles obtuse; disk sm loth with a d(>ei> inediaii impressed 

 liK". Elytra deeply striate, the strin^ liiu'ly puinlured .m the sides; inter- 

 vnls ciinvex. the third with live lar.^ei- imnclures (.n llie .inter siilc. r.eiiLClii 

 It) 11' nnn. 



LawrciK ('. Fraiiklm iiiul Vi^'o counties; scarce. April lo-Julv 

 11. Occiiis hcncath stones and rtil)l)isli close to nnuiing water. 

 I'l-chahly to lie fonnd sparingly throughout the State. 



Tribe VI. SCAKITIXI. 

 Species variable in size, having the antenna' rising from under 

 a frontal })late ; head with one or two bristle-bearing punctures 

 jihove the eyes ; mandibles without a similar puncture on the outer 

 side ; labrum short, emarginate or sinuate. Body pedunculate, s;-u- 

 telhnn not visil)Ie. Elytra not. or rarely, slightly margined a1 

 l-ase; prosternum not prolonged l)eliind the coxa:'; front eoxal cavi- 

 ties closed behind; hind coxa- touching; legs stout, more or less 

 adapted to digging. The tril)e is composed of six genera, all of 

 which are represented in Indiana. 



KEY TO GKNI'.RA OF SCAUITINI. 



(/. Species of large or medium size. 15 or more nun. in length; basal .joint 

 of anteumx; long; meutum broad, concealing at the sides the base 

 of the maxilte; one bristle-bearing puncture abnve tlie eye and one 

 at hind angles of thorax. 

 h. Form broad, size large; hind angles ..f tlorax distini't; elytra with 

 humeral carina. I-^- Pasimacui s. 



hh. Form narrow, size medium; hind angles of thorax wanting; elytra 

 without humeral carina. X. Scaritks. 



(lit. Species of small size, less than 10 nun. in length; liasal .joint of an- 

 tenuic short; base of nuixilhe not covered by the meutum; two 

 bristle-bearing punctures above each eye and two at hind angles oT 

 thorax. 

 <: :Mai-gin of elytra entire; mandibles Hat and cui-ved. 

 d. Fr(uit tarsi slender in both sexes. 



('. Thorax globular or oval; lernuual .joint of male palpi dilated 



and excavated beneath. XI. DYScntuus. 



ec. Thorax more or less quadrate; i)alpi sinular in the sexes, md 



dilated or excavate in male. XII. Clivina. 



<J(1. Front tarsi dilated in both sexes. 



f. Head not striate; meutum feebly emarginate. 



XII r. tspinooi.ossA. 



/'/■. Head wil'i nuMiemus line sti-i:e(ir longitudinal grooves; meutum 



deeply emarginale. Xl\'. Sen izo(a;NUis. 



