ins ■FAMILY If.- -(• \ KAl'.l li.i:. 



.■;ii;; il(i.;i). (ih.i.mi.s im iumlk hi i is i;;iih1.. r.usl. .Imini. .\;il. llisi.. 11, 

 is:;s. ;_;5. 



()hl(iii,ir-(iv:il. I );irk violet liluc nliov*'. Iil;icl< Ipciic.-iI li : niileiiii.i' lilnck, 

 l>;is;il Jiiiiit |i;ilc. TlKirnx ,L,n';i(lu;ill\' ii;n'i'..\\ cr i rniii Itnsc In .-ipcx. surracc 

 (•(inrst'lx' ;in(l Vi'vy iiTc'.L,'nl:iiiy piinctin'cd. tlif sides in froiil of luiddlt' nluKist 

 sin-Kitli. l-nylra! sti'i.-t' vcrx' liiu'. dishiiiliy niid tiiu'ly iiiiiictiirtMl : intervals 

 tlal with niiniei'dns vafher coai'se. siniple i>nnctnre-;. Length S.G-U..") mm. 



Lake and I aporte counties; rare. May H-Aug-nst 26. Occnr.s 

 along the beach of Lake IMiehigan. 



304 (1029). Chl^kus i\iGER Hand.. Rost. .[ourn. Nat. Hist., II, 1838, 34. 



Broadly oval. Uniform hL-ick thrniiirhoiit : head and thorax shining. 

 Thorax one-third broader than long, apex narrower than base, hind angles 

 obtuse; basal impre.ssious deep; disk coarsely puuctured. with irregular 

 smooth spaces each side of middle. Elytral stri:e finely punctured; inter- 

 vals convex, rather densely and roughly punctured. Ivength 11.5-12.5 mm. 



Lake, Vigo and Knox counties: scarce. April o-.Jidy 9. 



:'0r» (1025). ("iiL^ENU's iMPiNCTiFRONS Say. 'J'rans. Amer. I'hil. Soc.. II. 

 1S23. 04; ibid. II. 4S0. 

 Elongate-oval. Head bright green; thorax blackish-green, subopaque; 

 elytra black ; antennse and legs pale reddish-brown. Thorax broader than 

 long, very flat : base as broad as elytra, hind angles obtuse. Elytral stri;e 

 rather deej). finely punctured: intervals flat, finely and roughly punctate. 

 Length 13.5 Id nun. 



Tlironghont th(> State; scarce. April 16-Aiigii.st 26. Easily 

 Isiiown ])y the very fiat thorax with a uarrfiw ])al(> inargiti. 



•■■."Mli; (1021 I. Ciii.Kxirs I'K.N.NSYi.vAXK IS Say, Trans, .Vnier. I'liil. Soi-,, II. 

 I.S2:'.. c.c. : ibid, II, 4.S7, 



El(tngate-(:va!. slendei'. Head ;ind thorax lu-iglit green: el.vli'a darker 

 green: ;uitenn;e i-eddisli-bvown. Iln-ee lias.il Joints paler: under surface 

 black, legs pale. Thor.ax slightl.\- widei- than long, sides niiiderately cui've:I. 

 leeldy sinuate near base: disk conyex, coarsely and rather sparsely ])unc- 

 late: iiasiil impressions linear, deep. Elytral slriie deep, rather co-irsely 

 imiiclnred: interx'als tlal, mm icale. I.eni^tli 10 11.5 mm. 



'riir(iii<4li(nit Ihe Sla1c: more co'iiiiioi! in tiic norlhcrn liall'. 

 where i1 ol'len occiii's in small colonies hciiealli ruhhisli along the 

 Miargins of lakes, -lannary :^-()ctolter l."{, 



.".07 (1010). ('iii,.i:.Mi s r,KKvir.\i!His Lee. ,\nn. Lye. Xat, Hist., IV, 1848, 

 437, 

 Eorm and coloi- of pviniHiilnntirufi. Elytra bluish-black, the infei-vals 

 Mat. finely and indisi ind ly punctured. I;engtli 10 12 ram. 



