'riii: I. \Mi:i.i.i(<)i;\ i'.i:i':i'i.i:s. 07') 



c. Form inure (ir less dvnlc: ri'niil witluml creel hairs; last venli-al (if 

 male cdiivex : lit'lli ventral euneave. with a slmrl nliliiine ri(l;ie eaeli 

 si(k'. 1m;T. iMi'i.KriA. 



cr. Fdi-ni more elnnuale. |iarallel: I'rnnt witli erect liaii's. 



(/. Last segment of male willi a enp-sliaiied inl|lres^^i(ln ; elyi>eus broad- 

 ly not deeply emarginate; imliie i»rocess of i'emale slender and 

 l.ilid at tip. l'S2S. BALiA. 



(Id. Last segment of male hi-oadly and sliallowly eoneave, willi a longi- 

 ttidinal impression at middle: elypeus deejily ennii-ginale : |>ul»ie 

 pi-oeess of female bilid Iml sliorl. liroad and stont. 



ISl!;». VI I.I.IKUONS. 



L. Iilrsiihi Kiioeh. feildisli-hiMwii to |)ie('iiiis, leiijitli 1 •"» IS mm., 

 jiiid /.. loHfilspii'd Smitli, fe<!(lish-l)r()\vti, iiiiiitiins of thor;i.\ crcim- 

 l.ito, leiio'tli 17 mm., ;ire Itnlli l<iio\\ti tVopi MichiiiJiii. 



1S2T (10.2;")). L.\ciiNosTERNA iMPi.iciTA Ilom, Trans. Amer. Entom. Soe., 

 XIV, 1SS7, 261'. 

 Oblong-oval, moderately roltust. Elytra brown, lu-ad and thorax always 

 darker, more nearly i)ieeons, body beneath paler than abive. ("lypens rather 

 deeply and acutely eniai'ginate, its surface closely and ratlier coarsely punc- 

 tate. Thorax widest at middle, tlie margin feebly crenate. with short cilije; 

 surface coarsely and regularly but not closely punctate, the median line 

 usually smootJier. I'unctures of elytra more shallow and dense than those 

 of thorax, somewhat rugose; costte feeble, the submarginal more distinct. 

 Male with antennal club longer than stem: ventral characters as given in 

 key. Length l-l-]7 mm. (PI. IV. fig. •P,f.)V,.) 



Soiitlicrn half of State, frcMjiiciit; Lake County, rare. May 6- 

 .Iiine !). Oceiirs abundantly at electric lio-ht in Vig-o County. 

 Readily distino'uished from the nc^xt two by ttu' ])roader form, 

 diflForence in color and convex last ventral sootiient of male. 



1S2S (r>7S2). Laciinostehna balia Say, ,T«nn-n. riiil. Acad. Nat. Sci.. V, 

 1S25, 194; ibid. II. 297. 

 Oblong, slightly broader behind. Chestnut brown, moderately sliining. 

 Head coarsely and rather densely lunictured; front convex, with erect liairs. 

 Tliorax narrowed in front, widest at nnddle, very slightly narrowed behind, 

 nnu-gin entire with rather long cilias surface coarsely, not closely and some- 

 what irregularly punctured, usually with a smooth median space. Elytra 

 more finely and rather densely and roughly pmictured. :\Iale with club of 

 antenna' as long as stem: ainlonien bro.adly ll.attened at middle, the tifth 

 segment with a curved transvei'se elev.ation in fi-oni of a slight concavity. 

 Length IT. Ul mm. ( IM. II, fig. .384.) 



Southern and western portions of the Stat(> tn.rth to Fountain 

 County ; fre(|uent. Aju-il IB-^fay 27. Occurs ])eneath leaves along 

 the borders of woods and also at electric lio-ht. 



[02— 2.''.402] 



