Tin-: <inor\T) im'i-'I'i.I'S. 155 



Tiil)0 XIV. IIKLLUONINI. 



Antenna^ rather stonl. usiuiUy compressed, arising from under 

 a distinet frontal plate, all the joints more or less pubescent, first 

 joint stont. e(|ual in length to the next two. Head broadly oval. 

 Mdt ii;ii-i-ii\\ rd in fr(Ui1 ol* e\'es. with ;i dislind tici-k ; lnbi'imi large 

 ;iiid pi-oiiiinciil. iiioi-c or less concealing llie iiiaiidiblcs ; iiiciituiii 

 liroad. d('(^{)l> cmargiiialc. usually toothed; terminal joint of palpi 

 elongate-oval or fnsit'cn'm and obtuse at tip. Thoi-a.\ more or less 

 cordate, sides and hind angles each with a distinet bristle-bearing 

 l)nnetnre. Elytra oldong, truncat(> at apex, base not margined, 

 sides narrowly inflexed. disk striate or sulcate without dorsal punc- 

 tures. Tibia' compressed and finely bicarinate on the outer edge. 

 Tarsal claws simple. The tribe is represented in the United States 

 fauna by but one genus. 



TjIII. Hei.i.uomorpiia Lap. 1840. (fir., "slender + form.") 



Reddish-brown, strongly punctured, hairy beetles of medium 

 size, having the antenna^ joints Ijroadly compressed; elytra shorter 

 than abdomen, more or less costate instead of striate, broadly 

 rounded at tip. For synoptic table see — 



LeConte.—In Bull. Brook. Ent. Soc, II, 1879, 60. 



Six species are known from the I'^nited States, two of which 

 have been takt^i in Indiana, while two others may occur. 



KEY TO INDIANA SPECIES OF HELLUOMORPHA. 



a. Joints of antennae 5-10 square or broader than long. 



h. Thorax longer than wide ; elytra more strongly costate ; abdomen 

 dark ; elytral intervals with three rows of punctures, pr^usta. 

 hh. Thorax as wide as long ; elytra less strongly costate. 



c. Elji:ra and abdomen usually darker than thorax ; elytral intervals 

 with three confused rows of punctures. 276. bicolor. 



ec. Uniform reddish-brown; elytral intervals wMh two rows of punc- 

 tures. 277. TEXANA. 

 (la. .Joints of antennae 5-10 oblong; uniform reddish-brown; intervals with 

 three irregular rows of punctures. ferri ginea. 



//. pneusla Dej., 14 mm. in lengtii. lias been taken near Cincin- 

 nati and perhaps occurs in the extreme south of Indiana. 



276 (959). Helixomorpha hicolor Harr.. New Eng. Farmer, VII. 1820, 

 117. 

 Elongate, rather slender. Head, thorax and legs reddish-brown, elytra 

 darker. Thorax as wide as long, subcordate, narrower behind ; sides broadly 



