THE SOFT-BODIED PLANT BEETLES. 



691 



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

 tangular tooth at base. 



1310 (3986). Ptilodactyla serricollis Say, Journ. Phil. Acad. Nat. Sci., 

 Ill, 1823, 186; ibid. II, 119. 



Oblong-oval. Chestnut brown to piceous, 

 moderately shining, sparsely pubescent; legs 

 and antennae pale. Thorax viewed from above, 

 nearly semicircular, apex slightly prolonged 

 over head, lateral margin acute ; basal mar- 

 gin with three small teeth opposite scutellum ; 

 surface coarsely and rather densely punc- 

 tured. Elytra not wider than thorax, with 

 striae of rather coarse punctures; intervals 

 sparsely punctulate, scutellar stria long. Tooth 

 of tarsal claw basal, not reaching the mid- 

 dle of claw. Length 4-6 mm. (Fig. 266.) 



Throughout the State, frequent in 

 the northern counties; less so in the 

 southern portion. May 29-July 5. 

 Beaten from vegetation about the border's of lakes and marshes. 



Fig. 266. Male. X 5. (Original.) 



III. Eucinetus Germ. 1818. (Gr.. "well + moving.") 



Head strongly deflexed, resting on the front coxae, the front pro- 

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

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

 hind coxae formed of broad oblique plates which reach the side mar- 

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

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

 within the State : 



KEY TO INDIANA SPECIES OF EUCINETUS. 



a. Elytra punctured ; hind tibia? with two spurs. 

 1). Punctures rather coarse ; body ovate, convex. 



c. Elytra substriate near the tip ; color piceous. ovifoemis. 

 cc. Elytra without striae except the sutural ; color dull brownish-yel- 

 low. TESTACEUS. 



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

 brownish or piceous. punctulatus. 

 aa. Elytra not punctate but with fine transverse wrinkles or strigse. 



d. LTind tibiae with two spurs ; nearly black. 1311. moeio. 



del. Hind tibiae with one long spur. 



e. Tips of elytra reddish ; strigae very close. 1312. terminalis. 



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



strigosus. 



