THE LEAF BEETLES. 



1225 



2266 (7062). Microrhopala xereni; Newm., Entom. 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-June 16. Taken by sweeping 



herbage in a tamarack marsh. The larvng of both this and vittata 



are said to mine the leaves of goldenrod (Solidago) . 



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. cyanea Say, bluish-black, elytra! intervals equal, length 6 

 mm., 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; M. melsheimeri Crotch, length 3 mm., 

 ''occurs in the Atlantic region and California." 



LXXIV. Octotoma Suff r. 1868. (Gr., ' 1 eight + joint. ") 



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

 and thorax, 8-jointed, the last two joints forming an elongate oval 

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

 vals punctured ; tarsal claws divergent. 



2268 (7090). Octotoma pltcatula Fabr.. Syst. Eleut, II, 1801, 63. 

 Oblong, wider behind. Pi ceo us 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 

 w T ider and obliquely truncate at apex ; disk flattened 

 and with numerous short, oblique, acutely elevated and 

 reticulate carime, the intervals or depressions sparsely 

 and coarsely punctate; margins and apex serrulate. 

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



.big. 545 X 6^ (After 



Southern half of State; scarce. May 11-Oc- Chittenden in Buii.3s,x.Ser., 

 tober IS. Occurs on bush-clover (Lespedeza) U " S ' Dlv ' Ent) 

 and the trumpet creeper {Tecoma radicans Juss.) 



