'I'fd'; or.TfjK i'.nE'iT.rjs. 710 



'/'/. Mai'(<inMl Hill' ol' lliorux, siriotiy lateral, visible from above 

 tiirougboul, its full leiiglli ; elyfrn yellow, with black crossbar; 

 length li'ss itniri 5 rum. XVII. IIoristonotls. 



CO. Tarsi with Toiirth .jonit lobed beneath; length 7 mm. 



XVIII. EsTHESOPrjs. 

 hh. Prosternal spioi' aculc at ajic.v ; sculcllum oval. 



c. Prostoriium very broml, siiliircs siiiglf, straight or convex on outer 

 side. 

 /. 'I'lirsal cliiwH simple; (;ifsi ol' mo(lcr;ilc longlb, clolljcd with stilT 

 hairs. 

 II. I'roslcrnal siUiii'Cs sti-iiight, cilluT piirallel or convcrgiiig very 

 IHIlo bi!liiM(l 11)0 middli-; side i)ic(;cH of uiesothorax reaching 

 tbi- middle coxM'; length over 5 mm. 



XIX. Ojiyptohypni'S. 

 //.'/. l'roslcrri;il sutures enrvcd and very evidently converging be- 

 hind tiio middle; side pieees of mesothorax not reaching tlie 

 coxic; smaller, less tlian mm.; elytra usually with yellow 

 spots. XX. IIypnoidus. 



[(. Tarsal claws with a locjfh at middle; tarsi long, pubescent; uni- 

 form pieeoiiH blael<. XXI. CEdostethus. 

 ic. I'roKlc'rnun] of njoderale width, sutures double, either straight or 

 concave on ouler side. 

 //. One or more of the tarsal Joints lobed ijeneatb. 

 l. Seeoijil .joint of tai'si without lobes. 

 j, Thii-<l joint alone loijed. XXII. Anchastus. 

 jj. Fourth .joint alone loljed. XXIII. .MoNOf:BEPiDnJS. 

 */■. .Secor)d and (bird .joiiil.s of farsl with long lobes; (rolor brown; 

 length 10 or more mm. 

 Ic. .Vlcsoslernum hori/.ontal ; fi'oiil of bead with two crests unit- 

 ing above with froatal margin. XXIV. OiciucpiDiDS. 

 kk. M<wosl.ernam oblique; front of bi.'ad not crcslcd. 



XXV. ISOIIIODONTXJS. 



/(,//.. Tarsal .joints not lobed beneafb. 



I. I'rnslern.al sutures excavaled in front; .joints 1 to 4 of tarsi 

 gradually iiicrc.'asing in length, cllialc bc^neath; color usually 

 variegated. XXVI. Elater. 



//. Proslernal snlnres not excav.-i(ed in front. 

 ■III. Third .joint of an((ii]n;e longer than second. 



XXVII. I^KASTKitrUS. 



mm. Second and third .joints of antenna; small, ecpial. 



Meqapenti-ies. 



(la. Margin of Ilie fi'ont not elevaled Ijcbind (lie labrum ; si/,e larger, 15 or 



moi-e mm. in lengl h. 



n. Sides of me,s<jKlerrnil eavily slo|iing downward, not prominent; ely- 



(ra black. XXVIII. Lunias. 



nil. Sides of mesoslernal cavity prolnberant, prominent; eolor brown. 



XXIX. Orti-iostethus. 

 |4fl- 2;',l(tli| 



