1176 FAMILY MIL - CIIRYSOMELID.K. 



it from ilitala. According to Knab there are, in the U. S. Museum 

 collection, two males of It nt/i, placed as males of villain, while there 

 is no true vllinln male present. Named in honor of Ohas. W. Leng, 

 of New York City, who has shown me many favors during my work 

 on this paper. 



XLIX. Li'pKRonKsMotsch. 1S5S. (Gr., "troublesome.") 



This genus comprises tin 1 majority of the species formerly listed 

 under Li<i>t nix. They are oblong, small-sized beetles, having the 

 he-id transversely grooved between the eyes and carinate between 

 tlie antenn;e: the latter slender, longer than half the body, joints 

 "2 and :} small, together not longer than fourth; thorax variable in 

 form, transverse to quadrate, the disk never distinctly impressed; 

 elytra with epipleiira- extending nearly to apex; front coxal eavities 

 open behind, the coxa* often separated by a narrow prolongation 

 of the prosternum ; tibia 1 with a terminal spur, that of the hind 

 pair the longer; claws appendiculate and divaricate. But one spe- 

 cies has been recognized from the Slate, though two others may 

 occur. 



KKY TO INDIANA SPECIES OF Ll'PERODES. 



(/. Thorax yellow, twice as wide as long; form oval; elytra black or pic- 

 eons, sparsely punctate; leys yellow. THORACICUS. 



<KI. Thorax blue or black; antenn;e yellow. 



b. Elytra punctate and alutaceous; hind angles of thorax dentiform; all 



the femora more or less piceous. MERACA. 



1)1). Elytra very obsoletely punctate, scarcely alutaceous; hind angles of 



thorax not dentiform ; middle and hind femora often partly piceous. 



2178. CYANEIXUS. 



L. Hitirarit'iis Melsh., length 4.5-5 mm., and L. mtraca Say, 

 length 5 mm., both range from iVnnsylvania to Kansas; the latter 

 has been recorded from Illinois. 



2178 (6805). LUPERODES CYANELU'S Lee., Proc. Phil. Acad. Nat. Sci., 1805, 

 209. 



Elongate-oblong. Above dark blue, strongly shining, beneath piceous ; 

 antenna.' and legs usually entirely yellow, the middle and hind thighs some- 

 times piceous near base. Thorax a little wider than long, sides slightly 

 curvi d. hird angles distinct, nut prominent : disk convex, smooth, sparsely 

 punctured at sides and base. Elytra sparsely and finely punctate, feebly 

 alutaceous. Length ."..5-4.5 mm. 



Marion, .Jackson and Crawford counties: scarce. May 17-June 

 24. . Occurs on the flowers of wild rose. 



