TiiK sii()i;t-\vi\(.i:i» s'a\ kncki; 1!i:i;i'Li:s. MW 



s'.io ( L'Clti",). (>\>i'oiMs lAiiUAiis Cniv., Mdii. <'<il. Mi<i-.. ISOC. 1!).".. 



Klun.uaU'-olihuii;. rohusl. Kc.ldisli ycll.iw : sides of clyd-.i wilh n l.l.i.k 

 or fuscous striiic, st:irtiii.n- oiic-t liird l.rliind Immcnis and ^'radiinlly w idcii- 

 iii- to aiHW: Ic-s pale yellow. Head of male sli-lilly narrower, of leniale 

 as wide as. thorax: surface, with that of laller, very linely aluta<-eous. 

 ,„,| puiictat". Tlior.ix sli-litly wider than lon.ix. sides broadly rounded. 

 !:iylra one h.aif lonu'er and dislin.tl.\ wider than thorax, with a sntural 

 ;iii(l .me discal row of line |Mni<-tni-es witli sealtered coarser ones inlerven- 

 inu. i.enu^lii <;..". T.r. nnn. 



Lake and I'liliaiii c(Miiities; scarce. Octobci' 7 -.Xoveiiilx'f !>. 



'rakeii oil tlie latter dale hciiealli pai'tly luified loos, and pntbaltiy 



liiheniatcs. 



S!»l (l.'(i!)2). Oxvroiirs occii'nAi.is Fau\-., .Mars, .\lieille. I. isci. 'M\\). 



Form of hi t< rails. Color in jiart uivon in key. lOlytra black, each witli 



a triantrular basal spot reddish-yellow: abdomen witli a small black sput 



on nnddle of secoml and third, ami a much lar.ixer one on fourth and tiftli. 



(hn-sal se^nneiits. Tlmrax (Uie-tliird wi<ler than lonjl. sides stron.i,'ly curved. 



Klyti'a with i uaierous very coarse punctures between the sutnnil and discal 



siria'. I.eni,'th <'> nun. 



lake. Mai'ion a-id Vi^i'o counties; scar( e. Oclohcr 7-Oetober 20. 

 The elytra are soniei lines colored very nearly as in hifi rnJis, btit ar.' 

 mneh more coarsely iMmcttircd Uiaii there. This may also prove to 

 be (inly a coloi- vai-iety (»!' rillafus. 



Stil)l"aiiiily IX. OXYTELINAE. 



Small, tisiially slender sin-cies havino llie anlenna' 11- (rarely 

 10-) joitited. inserted uiidcr the sides of tlie front, the latter more or 

 less prolonged before the eyes; front co.xn' nsnally !ai',i>-e. conical and 

 prominent; middle coxa- contio'nons (separated in OxufcJiis) . The 

 subfamily as above defined is seiiarated into six tribes, four of \vhi<'h 

 are represented in Indiana. 



KEY TO I.N'DI.WA TRICKS OK OXYTKr.I N.K. 



(/. Front coxa' conical, iirominent. 



Jt. Head without ocelli or simpl(> eyes. 



c. Abdomen niaruined. Tribe 1. Oxytkuni, p. 4()2. 



cc. .Vbdomeii not mir.Lcined : form cylindrical. 



Tribe II. OsORiiNT, p. 47."). 

 /(/(. II(>ad with twii ocelli usually placed on a l:ne j iinini: the hind m;u-- 

 L'in of the eyes; form limad .and diMa-esscd; elytra usually coverimi 

 half (H- more the length of abdomen. Tribe III. Omaminf. !>. 474. 

 (/(/. Fr( nt ciix:e transverse: bead without ocelli: jir :stei-ninn horn-like be- 

 hind the cox:e. Tribe I \'. Fkotkinini. p. 4S2. 



