'I'll I' w \ ni; ■-r \ \ i:\(;i:i; i;!;h:Tl.l':s. 



251 



480 (ir)r)0). llKi.oriioiti s i.iXKAir.s S.iy. .lomn. I'liil. Acid. X;it. Sci.. III. 

 :.:00; il)i(l. II. IL'S. 

 lOIonii.Mtc-ohldni::. Altii\(> liulil lunwn witli ;i i^rccnisli 

 tiuije; olytrM (iftcii with I'iisim.us iii.-irkinus. of wiru-li ;iii 

 iiuorttHl V (HI suluir licliiiul middle and Iwo spots I'adi 

 sidt' arc innst tibvious; antenna' and legs pale. Inler- 

 niediale suK-I of thorax, deep, nai-row. very stroni^ly 

 (urved or snban.ynlati" near nnddle. Elyfral stria- willi 

 deep, dilated transverse i>nnetures. Lengtli I'.S-;',..") nnn. 

 (Fit,'. 124.) 



Thi'oiiji'hoiil the Sl;i1(>; iro([n(Mit. April ll-Oc- 

 tober 17. 



Fig. 124 X 10. 

 (Original.) 



481 (154G). riEi.opiioius linearis Loc, I'roc. IMiil. Acad. Nat. Sci.. 1855, 



357. 

 Elongate, slender. Dnll brownish-yellow; head and thorax tinged with 

 greenish; elytra clonded with I'nscons. Thorax one-lialf wider than long, 

 grannlate; intermediate snlci feebly sinnate. Length 'A nun. 



]\Iillers. Lake County ; rare. IMay 2"). Kecordod I'roiii liiifVali). 

 \ew York, Nebraska and Canada. 



482 (1553). IlELoriioia's tuberculatus Gyll., Ins. Snec. isi'T. 

 Elongate, convex. Dull black, tinged with greenish. Third elytral in- 

 terval with four elevations, the basal one olilong; Hfth and seveutli each 

 \\ ilii three. Length 3.5 mm. 



Beneatb rubbish close to water on beach of Lake Michigan, near 

 I'ine and jMillers, Lake County; scarce. April 2;^-June 24. 



IL ITydi?ociius Leach. 1817. (Gr.. "relating to water.") 



Thorax nmch narrower than elyti'a. its lireadth being equal to or 

 (!n!>' slightly exceeding the Icngtli : disk iisiially marked with small 

 cnps or fovea'. The following sjiecies have been taken or may oc- 

 cnr in the State. 



KEY TO INDIANA SPECIES Ol' II Y ni!()( II IS. 



(/. Larger, 5.5 mm.; elytra, witli interv.-ils Ij.it and much wider than stria', 

 the fourtli with large obli(iue tubercles. scabratvs. 



(Id. Smaller, not over 4.5 mm.; interv.-ils convex. 



1). Thorax with live more or less distinct fovea' or cnii-sha])ed impres- 

 sions. 

 c. Stria' of elytr.-i ;is wide as or wider tlian intervals; thor.-ix with 

 granules between the i)inu-tuiH's. 

 (1. Sides of thorax distiiii-lly sinuate near base, not crenulate; 

 length 3.8-4 nnn. ix''>. s(^i amieik. 



(Id. Sides of thorax finely crenulate. 



€. Smaller, n()t over ."! mm.; sides of thorax suitsinuate. 



484. IN.KIJIALIS. 



