OP PHILADELPHIA. 203 



cinereous pubescence ; an obsolete, indented line ; two elevated 

 tubercles between the eyes, extending in a depressed ridge to the 

 base of the antennae, where it is slightly more elevated : eyes 

 black : antennae clothed with cinereous pubescence ; second and 

 third joints equal : palpi and mandibles black : thorax densely 

 punctured ; punctures sometimes confluent ; a longitudinal, [429] 

 indented line ; a lateral, dilated, hardly elevated tubercle before 

 the middle : scutel minutely punctured and rugulose : elytra 

 with regular series of punctures ; surface slightly rugulose ; two 

 subsutural, dilated, obsolete, indented spots near the middle, and 

 a subhumeral, impressed, dilated line at base : beneath argente- 

 ous-pruinose : feet cupreous, pubescent; a robust spine beneath 

 the posterior thighs near the tip. 



Length rather less than seven-twentieths of an inch. 



Var. a. Body above cupreous, polished. 



Found near Engineer Cantonment. 



LEMA Fabr. 



1. L. TRIVITTATA. — Rufous ; elytra pale ; suture and margi- 

 nal vitta of the elytra black. 



Inhabits the United States. 



Crioceris trivittata Knoeh in Melsh. Catal. 



Body rufous, impunctured : antennae black; first joint rufous : 

 thorax contracted each side on the middle ; two black spots 

 above, placed one on each side rather before the middle ; some- 

 times obsolete : scutel black : elytra pale yellow ; suture and ex- 

 terior submarginal line black ; punctures arranged in series : 

 tibia, at tip, and tarsi, black. 



Length less than three-tenths of an inch. 



Var. a. Thorax entirely rufous, immaculate. [430] 



I obtained specimens of this species from the vicinity of the 

 Rocky Mountains. 



[This is L. trilineata 01. — Lec] 



2. L. collaris. — Black; thorax rufous; elytra green, striate 

 with punctures. 



Inhabits jMissouri. 



Body black : head rugose, with an impressed, longitudinal 

 line ; a slight tubercle above each antenna : thorax bright rufous, 

 impunctured ; contracted each side behind the middle, and with 

 1824.] 



