TiiK sii()iiT-\vi\(.i:i) sc \\!:\<m:i! ukkti.ks. :V.)] 



densely .-iihI i',-itlier tiiiel.\- |iiiii(l:ile. Alxh men sp;i i'sel.\- :iihI liiiely |Uinct;ite 

 aluive, nmi'e (lisliiiclly heiie.iili. Leiiulli s '.i.r, imn. 



One ill W'dleoll (-(.llerliuii IVolii lie;i,-li dl' L;il<e M jell i,u;i II Ileal' 

 I'ill,.. Lake ('omilv. .Iillie <>. KikiWII \'\-<>\\\ Ai iellii;;ili. Kelillicky 

 ;ill(l tile iKirl liwi'sl. 



XXXVl. AcTomi s K.-iiivel. ISTT). ((ir.. "shore ■ I live.") 



Small, slender, sparsely pubeseeiil species having' the last joint 

 of maxillary palj)! eonieal, aente and loii^ivr than the next to last 

 joint; the first joint (»f hind tarsi e(|ual to or shorter than lit'th. 

 The males have the front tarsi more or less dilati'd and the last 

 ventral emar^inate. ol'ten feebly so. Twenty-three si)eeies are listed 

 from the Tnited States. Of these the following have been taken or 

 probably occur in Indiana: 



KEY TO KNDI.VN.V SPECIES OE .\( TOIillS. 



(/. I'liper siirr:iee blaek or ]>iceuiis. 



//. I'llytra very densely pmu-tiired and ()|ia(ine. 



c. Head oiiuque, very finely and densely punedired Imtli alieve and 

 l,elo\v. '-'j'*- eiM-HASCENs. 



<■(: Head more or less shining, punel nres abtve euarse and niucli less 

 dense. 

 (/. Thorax oval, very little longer than wide. 



e. Elytra longer than tlKn-ax. the latter not nan-nwer liehind. 



T.'jC,. NAM s. 



cr. Elytra not longer than thora.\. tiie latter very idainly narrowed 

 behind. i.xltilis. 



ilil. Thorax oblong, nnicii longer tiian wide; elytra depressed, paral- 

 lel, longer than thorax. ">'■ i u-xteiuteis. 

 />//. Elytra more or less shining, their punetures distinct. 



f. Thorax oblong, narrower behind, its i.nnctnres nnnierons. irregu- 

 larly placed; elytra distinctly longer than thorax, paler at tips, 

 the punctures sparse and rather coarse. T.'iS. sobbinus. 



/■/■. Thorax more or less oval, not narrowed .behind, the punctures few- 

 er and arranged in three irregular rows each side. 

 <j. Elytra finely and rather densely pnnctnred : larger, 5-0 mm.; 

 piceous, the legs jiale. 

 /(. Elytra very densely pnnrinred: front tarsi of male very broad- 

 ly dilated. patella. 

 /(/;. Elytra shining. U■^s densely pniietui-ed: front tarsi of male 

 nuich less dilated. Tr/.t. t.oxATis. 

 (/(/. Elytra coarsely inmctured: smaller, n it over :',.'> nun.; antenna- 

 and legs pale. "<■'■''>• pakci's. 

 (Id. liicolored species; thorax and legs always yellow. 



i. Abdomen above and beneath rather densidy pnnctnred. feei)ly or not 

 at all shining. 



