1198 



FAMILY LIII. CHRYSOMELIME. 



Lake County 

 land, Colorado. 



rare. May 12-May 30. Described from Gar- 



2215 (7026). 



Syst. 



PlIYLLOTRETA BIPUSTULATA Fabr. 



Eleut., I, 1801, 464. 

 Oblong-oval, rather robust. Piceous without me- 

 tallic lustre ; elytra each with a large oval humeral 

 spot, touching base but not including the umbone, and 

 a subapical more elongate and narrower spot, yellow ; 

 I antennae piceous, the basal five joints paler ; legs red- 

 dish-yellow, the hind femora darker beneath. Thorax 

 one-third wider than long; disk finely alutaceous, 

 rather finely and sparsely punctate. Elytra distinctly 

 wider at base than thorax and with coarser punctures. 

 Length 2-2,5 mm. (Fig. 527.) 



Throughout the State, frequent; more so in 

 Kg. 527. (After Chittenden the southern counties. April 14-July 13. Taken 



in Bull. 33, N. Ser., U. S. , . . . 



Div. Ent.) by sweeping and sitting. 



2216 ( 



•) 



PHYLLOTEETA AKMORACIiE IvOCll, 



Ent. Heft., II, 1803, 75. 

 Elongate-oval, convex. Head, thorax and 

 under surface black, shining; elytra dull yel- 

 low, with a common sutural stripe and very 

 narrow side and apical margins, black ; an- 

 tennae and femora piceous, the basal three 

 joints of former and tibiae and tarsi dull 

 brownish-yellow. Thorax one-third wider 

 than long, sides curved and rounded to apex ; 

 surface finely and sparsely, that of elytra 

 more coarsely and densely, punctate. Length 

 3-3.5 mm. (Fig. 528.) 



A recently introduced European spe- 

 cies, several specimens of which have 

 been taken by Wolcott in the washup of 

 Lake Michigan, near Pine, Lake County. 

 May 28. From its specific name T judge that it preys upon horse- 

 radish. 



2217 (7019). Phyllotreta ficta Say, Journ. Phil. Acad. Nat. Sci., IV, 

 1824, 87 ; ibid. II, 228. 

 Oval, slightly oblong, feebly convex. Head and thorax pale reddish- 

 yellow ; elytra bright bluish-green, shining ; antennae pale, the outer joints 

 fuscous ; abdomen and metasternum piceous ; legs yellowish, the hind fe- 

 mora often darker. Thorax nearly twice as wide as long, surface very 

 finely, sparsely and indistinctly punctured. Elytra slightly wider at base 

 than thorax, umbone rather prominent, smooth ; surface finely, closely and 

 indistinctly punctured on disk, smoother at sides and apex. Length 2- 

 2.5 mm. 



Fig. 528. 



(After Chittenden in Insect 

 Life VII.) 



