THE LEAF BEETLES. 



1225 



L'2GG (7002). MicEOKHOPAiA xereni: Newm., Eiitom. Mag., V, 1838, 390. 



Oblong-oval, subdepressed. Black, sometimes feeblj- 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. Tliorax 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. 



Ste^^ben County ; rare. June 15-Jime 16. Taken by sweeping 

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

 are said to mine the leaves of goldenrod (Solidar/o) . 



2207 (7067). Microehopala 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. cyaiwa Sa>', bluish-black, elytral intervals equal, length 6 

 mm., is known from New York and ^lissouri; M. porcata Mels., 

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

 Pennsylvania to Illinois; .1/. melsheinicn Crotch, length 3 mm., 

 "occurs in the Atlantic region and California." 



LXXIV. OcTOTOMA Suffr. 1868. (Gr., "eight -^ joint") 



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

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

 club ; el.ytra with short oblique folds or reticulated carinas, the inter- 

 vals punctured; tarsal claws divergent. 



220S (7000). OoTOTOMA I'LTCA-iuLA Fabr.. Syst. Eleut. 



Oblong, wider behind. Piceous black, feebly 

 bronzed, opaque; front of thorax, scutellum and base 

 of femora dull reddish-yellow ; antennse 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 mth numerous short, oblique, acutely elevated and 

 reticulate carina-, the intervals or depressions sparsely 

 and coarsely punctate; margins and apex serrulate. 

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



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

 tober 18. Occurs on bash-clover (Lcspcdeza) 

 and the trumpet creeper {Tcamia mdiranx Juss.) 



IT. 1801, c..".. 



._ 54.5. X tii. (After 

 Chittenden in Bull. 38, N. Ser., 

 U. S. Div. Ent.) 



