THE LEAF BEETLES. 



1225 



2266 (7062). MICKORHOPALA XERENK Newm., Entoin. Mag., V, 1838, 390. 



Oblong-oval, subdepressed. Black, sometimes feebly bronzed; thorax 

 with a narrow reddish stripe on sides which continues along the second 

 costa of elytra to near apex ; tip of first costa also reddish. Front of head 

 coarsely punctured or with lengthwise grooves. Thorax one-half wider at 

 base than long, much narrowed at apex : surface coarsely, densely and 

 deeply punctured. Elytra with eight rows of coarse, deeply impressed 

 punctures ; intervals slightly alternating, the second or red one much the 

 widest. Length 4-5.5 mm. 



Steuben County ; rare. June 15-Jnne 16. Taken by sweeping 

 herbage in a tamarack marsh. The larvre of both this and vittafn, 

 are said to mine the leaves of goldenrod 



2267 (7067). MICRORHOPALA EXCAVATA Oliv., Ent, VI, 1808, 775. 

 Oblong-oval. Uniform bluish-black, moderately shining. Front sulcate. 



Thorax slightly broader than long, widest at base, coarsely and irregularly 

 punctured. Elytra with eight rows of coarse, deep punctures, those of the 

 two inner rows smaller and less deep; intervals often slightly elevated; 

 margins of elytra with minute, distant teeth. Length 5 mm. 



Lake County ; rare. July 30. 



M. cyan en Say, bluish-black, elytral intervals equal, length 6 

 nun., is known from New York and Missouri; M. porcata Mels., 

 black without lustre, length 3 mm., is said to occur rarely from 

 Pennsylvania to Illinois; If. melsheimeri Crotch, length 3 mm., 

 "occurs in the Atlantic region and California." 



LXXTV. OCTOTOMA Suffr. 1868. (Gr., "eight + . joint") 



Small wedge-shaped species having the antennae as long as head 

 and thorax, S-jointed, the last two joints forming an elongate oval 

 club; elytra with short oblique folds or reticulated carinae, the inter- 

 vals punctured; tarsal claws divergent. 



2268 (7090). OCTOTOMA PUCATULA Faltr.. Syst. Eleut., II. 1801, <;:;. 

 Oblong, wider behind. Piceous black, feebly 



bronzed, opaque ; front of thorax, scutellum and base 

 of femora dull reddish-yellow; antennae reddish-brown. 

 club darker. Thorax one-half wider than long, front 

 angles prominent, sides nearly straight, sinuate in 

 front of middle; disk coarsely punctured and with a 

 T-shaped elevation on the middle. Elytra oblong, each 

 wider and obliquely truncate at apex ; disk flattened 

 and with numerous short, oblique, acutely elevated and 

 reticulate carina?, the intervals or depressions sparsely 

 and coarsely punctate; margins and apex serrulate. 

 Length 4.5-5 mm. (Fig. 545.) 



Southern half-of State; scarce. May 11-Oc- 

 tober 18. Occurs on bush-clover (Lespedeza) 

 and the trumpet creeper (Tecoma radicans Juss.) 



l-'ig. 545. X 6$. 

 Cliittendcn in Bull. 38, 

 U. S. Div. Ent.) 



(After 

 N. Ser., 



