THE SAP-FEEDING BEETLES. <> ; > ' 



KEY TO INDIANA SPECIES OF GROUP A. 



a. Process of abdomen between tbe hind coxae broad, truncate. 



&. Sides of thorax moderately curved, gradually broader to base; form 

 broadly oval, color yellow ; length 4-4.5 mm. hoenii. 

 bb. Sides of thorax strongly 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 oblong ; elytra scarcely narrowed at tips. 1222. rufa. 

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

 usually acutely notched behind for its reception; elytra truncate at 

 tip. 



d. Form oblong-oval. 



e. Middle tibire of male strongly sinuate within, the inward prolonga- 

 tion of tip well marked. 

 /. Thorax broadest at base, hind angles rectangular; color pale 

 reddish-yellow. 1223. erichsonii. 



//. Thorax slightly narrowed at base. 



g. Sides of thorax simply curved; hind angles not prominent; 

 color uniform dull reddish-yellow. 1224. rufida. 



gg. Sides of thorax sinuate near hind angles, which are rather 

 acute; color dull reddish-brown, the disk of elytra clouded 

 with- fuscous. 1225. corticina. 



ee. Middle tibiae of male feebly sinuate, the tips merely thickened. 



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

 the base. avara. 

 7/7/. Color pale yellow; sides of thorax slightly curved near the base. 



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



FULVESCENS. 



ii. Hind angles acute and prominent, margins flattened and re- 



flexed. 1226. DURYI. 



del. Form elongate-parallel ; color piceous, feebly shining ; thorax sinuate 

 behind. 1227. truncatella. 



E. hornii Crotch is known from Grimsby, Canada, and probably 

 occurs in northern Indiana, 



1221 (3696). Epur^a helvola Erichs., Germ. Zeits., IV, 1843, 273. 



Broadly oval. Dark reddish-brown, feebly shining, sparsely pubescent ; 

 the margins often paler. Thorax rather more than twice as wide as 

 long, apex deeply emarginate ; sides strongly curved, slightly narrowing at 

 base, hind angles subacute ; margin broadly flattened, slightly reflexed ; 

 surface, as well as that of elytra, finely granulate, rather densely punctate. 

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

 3 mm. 



Steuben, Laporte, Lawrence, Vigo and Crawford counties, fre- 

 quent; probably throughout the State. May 26-August 11. Oc- 

 curs in summer in decaying fleshy fungi ; in spring at sap. 



