THE POPT-BODIEf) PLAXT BKhTLES. 691 



prolonged between the front coxa-: tarsal claws with a broad, rec- 

 tangular tooth at base. 



1310 (3986). Ptilodactyla sereicollis Say, Journ. Phil. Acad. Xat. Sci., 

 Ill, 1S2.3, ISO; ibid. II, 119. 



Y Oblong-oval. Chestnut brown to piceous, 



moderately shining, sparsely pubescent ; legs 

 and antenniE pale. Thorax viewed from above, 

 nearly semicircular, apex slightly prolonged 

 over head, lateral margin acute; basal mar- 

 gin with three small teeth opposite scutellum ; 

 surf;i<e coar.sely and rather densely punc- 

 tured. Elytra not wider than thorax, with 

 strife of rather coarse punctures; intervals 

 sparsely punctulate, scutellar stria long. Tooth 

 fit tarsal claw basal, not reaching the mid- 

 dle of claw. Length 4-G mm. (Fig. 266.) 

 Throughout the State, frequent in 

 Fig. 266. Male. X o. (Original.) ^hc northern counties; less so in the 

 southern portion, ilay 29-July 5. 

 Beaten from vegetation about the borders of lakes and marshes. 



III. EucixETT's Germ. 1S18. (Gr., " well -f moving.") 



Head strongh' defle.xed, resting on the front coxs, the front pro- 

 hmged in a feeble beak; thorax short, narrowed in front; proster- 

 num very short in front of the coxse, which are long and conical ; 

 hind coxa; formed of broad oblif|ue plates which reach the side mar- 

 gin of the body and cover the greater part of the first ventral seg- 

 ment; tarsal claMs small, simple. The following species may occur 

 within the State : 



KEY TO INDIANA SPECIES OF KICLNETLS. 



a. Elytra punctured ; hind tibire with two spurs. 

 J). Punctures rather coarse ; Ijcdy ovate, convex. 



r: Elytra substriate near the tip ; color piceous. oviformis. 



ec. Elytra without strise except the sutural; color dull brownish-yel- 

 low. TESTACELS. 



hi). Punctures dense and rather fine; elytra with sutural stria only; 

 brownish or piceous. punctulatus. 



(HI. Iillytra not punctate but with fine transverse wrinlsles or strigEe. 



.•7. Hind tibife with two spurs ; nearly black. 1311. mobio. 



(Ul. Hind tibiie with one long spur. 



e. Tips of elytra reddish ; strigse very close. 1.012. teejiixalis. 



ee. Tips not reddish ; strigse much farther apart, surface more shining. 



STBIGOSUS. 



