THE LONG-HORNED WOOD-BORING BEETLES. 1093 



(). (/nn-ilix Fab., antenna- fuscous, legs pale, tips of tibia? and 

 tarsi darker, length 10-13 mm., is known from New York, New Jer- 

 se and southward. 



(C.505). ODEREA IU'FICOI.LIS Fab.. Ent. Syst., II. 1775, 311. 

 Elongate, subeylindrical. rather robust. Pale reddish-yellow; anteniue, 

 elytra, tibia' and tarsi nearly black. Thorax short, about as broad as long, 

 without discal black spots. Elytra rather densely clothed with gray pubes- 

 cence and with irregular rows of moderately fine oblong punctures; tips 

 subtruncate. Length 15-18 mm. 



Vigo County; rare, -hinc 1!. One specimen taken on the wing. 



LXXI. TETKOPS Steph. ISM!). (Gr., "four + eyes.") 



This genus, sufficiently chara'.-teri/ed in the key, is represented in 

 the State by a single species. 



201 <i ( 0507 ). TETHOPS MOXOSTICMA Ilald.. Trans. Amer. 1'hil. Soc.. X. 



1S57. 57. 



Elongate, slender, cylindrical. T.lack, shining; elytra with black, re- 

 cumbent and erect hairs; head and thorax red. the latter with black spot 

 on disk; femora reddish-yellow; antennal joints paler at base, pilose with 

 long hairs. Thorax feebly constricted before and behind, sparsely and 

 rather coarsely punctured. Elytra with rows of rather closely placed. 

 coarse and deep punctures; tips rounded. Length 7-9 mm. 



Dubois and Spencer counties; scarce. May 22-May 24. Taken 

 by sweeping low herbage along roadsides. The middle trochanters 

 of male are very strongly developed. T. jiictutda Lee. is doubtless 

 a synonym, the legs in the specimens at hand varying from wholly 

 black to almost wholly reddish-yellow. 



LX XII. TETRAOPES Serville. 1835. ( Gr., ' ' four + eyes. ' ' ) 



Medium-sized, stout-bodied species, having the antennae shorter 

 than body; thorax armed with a blunt tubercle each side and, in our 

 species,-marked with four round black spots. They occur altogether 

 on the different species of milkweed (AscJfpias], in the stems and 

 roots of which they breed. Four of the eight known species have 

 been taken in the State. 



KEY TO INDIANA SPECIES OF TETRAOPES. 



(i. Elytra with a common median and apical heart-shaped black space; 



disk of thorax red, regularly convex. 1*017. CANTEHIATOR. 



<KI. Elytra with rounded or elongate black spots; disk of thorax distinctly 



elevated. 



1>. Anteniuf black, not annulate; abdomen very sparsely punctulate; 

 larger median spot of elytra oblong. 2018. TETRAOPIITIIALMTS. 



