THE SAP-FEEMXG BEETLES. 63 ( 



KEY TO I^"D1A^"A SFElins OF OBOIP A. 



a. I'ldcess of abdomeu between the hind coxse broad, truncate. 



6. Sidis of thorax moderately curved, gradually broader to base; form 

 broadly oval, color yellow ; length J^.5 mm. hoesu. 



66. Silks of thorax sncns^ly curved, at base narrowed or sinuate, hind 

 angles acute: color dark reddish-brown, 

 c. Form broadly oval ; elytra narrower at tips- 1221. helvola. 



cc. Form more oblcnir : elytra sc-arc-ely narrowed at tips. 1222. bttfa. 

 aa. Process of abdomen between the hind coxse narrow, acute ; metasternum 

 usually acutely notched behind for its reception; elytra truncate at 

 tip. 

 d. Foiiii oblong-oval. 



e. Middle tibiiv of male stion-'ly sinuate within, the inward proli'ii-'a- 

 tiou of tip well marked. 

 /. Thorax lir.ia.ltst at li;isc>. himl nudes rectaii^'ular ; c-olor palv 

 reddish-yoUow. 122.3. ebichsoxii. 



//- Thorax sli-'latly narrowed at base. 



<;. Siller cf thorax simply curved; hind angles uot prominent; 



color uniform dull reddish yellow. 1224. kufida. 



;/>/■ si'les of thorax sinuate near hind aiiirles. which are rather 



acute; cvlor dull reddish-brown, the disk of elytra cloudetl 



with fuscous. 122."i. corticixa. 



< ( . iliddle tibijT} of male feebl.v sinuate, the tiyis merely thickened. 



h. Color reddish-yellow: sides of thorax obliquely narrowed near 



the base. AVAii. 



Iili. t'olor p:ile yellow- sj.k.^ of thorax slightly curved near the base. 



I. Hind angles of thorax obtuse, margin not flattened. 



FULVESCENS. 



ii. Hiiiil aii-'li^ amte and prominent, iuaririus flattened and re- 

 flexed. 1220. DIKVI. 



(/</. Form elongate-parallel: color pice<'Us. feebly sbiuiug : thorax sinuate 

 behind. 1227. TBrycATET.TA. 



E. ]ujriiii Croteli is known from Grimsliy. Canada, and probably 

 ric,nii-s in northern Indiana. 



1221 (3696). Epcrjea helvola Erich«.. Germ. Zeits.. IV. J'^iS. 27:3. 



Broadly oval. Dark reddish-br.iwn. feebly shining, sparsely pubescent: 

 the margins often paler. Thorax rather more than twii-e a? wide as 

 long, apex deeply ema:giuate: sidles strongly curved, sli-'litly narrowing at 

 base, hind ar^'les subacute: margin broadly flattened, slightly reflexed: 

 surface, as well as that of elytra, finely gr:inulate. rather densely ptmctate. 

 Elytra oval. togethiT a little longer than wide, margin reflexed. Length 

 3 mm. 



Steuben. Laiiorte. Lawi-onee. Wgo and Crawford connties. fre- 

 <|iii'iit: prubahly tlinMii:hiint the Slave, ^fay 2t1-Aiioii^r 11. '' 

 exii> in summer in deeayinir tieshy fungi; in spring at sap. 



