680 



FAMILY XXXIII. — PARNID^E, 



c. Thorax with a short elevated line each side at base ; elytra each with 

 an oblique clay-yellow stripe. 

 d. Elytral intervals distinctly punctured; oblique pale stripe entire, 

 extending from humerus nearly to apex. fastiditus. 

 dd. Elytral intervals scarcely punctured ; oblique pale stripe broken. 



1299. ovalis. 



cc. Thorax with oblique folds converging backward, its sides sinuate. 



PUSILLUS. 



1298 (3925). Elmis vittatus Mels., Proc. Phil. Acad. Nat. Sci., II, 1844,99. 

 Elongate, subcylindrical, convex. Piceous black, shining; elytra each 



with a yellowish stripe, broadest at base, extending from humerus nearly 

 to apex ; antenna?, tibia? and tarsi reddish-brown. Thorax slightly broader 

 than long, gradually narrower from base to apex, sides feebly rounded; 

 disk convex, finely and rather sparsely punctate. Elytral stria? feebly im- 

 pressed, the punctures fine, separated one from another by a space greater 

 than their own diameters. Length 2.5-3 mm. 



Marshall and Kosciusko counties; rare. June 16- August 5. 



E. quadrhwtatus Say, elytra with a pale spot at base and an- 

 other behind middle; length 2.3 mm., is known from the Middle 

 States and Canada. E. fastiditus Lee, bronzed black, elytra with 

 an entire reddish-yellow stripe, length 4 mm., is a boreal species 

 which may occur in northern Indiana, 



1299 (3931). Elmis ovalis Lee, N. Sp. N. Amer. Col., I, 1863, 74. 



Oval, convex. Blackish-bronzed, finely and sparsely pubescent; elytra 

 each with an oblique narrow, dull yellow, usually interrupted, stripe reach- 

 ing from humerus to apex ; tarsi and antenna? reddish- yellow. Thorax 

 with an elevated line each side at base; sides feebly curved; disk convex, 

 densely and finely punctate. Elytra deeply striate, stria? with coarse punc- 

 tures ; intervals very finely punctulate. Length 2.5-2.8 mm. 



Kosciusko, Fountain, Starke and Knox counties, rare; Lawrence 

 County, frequent in the swift stream emerging from Hamer's Cave, 

 east of Mitchell. June 8-September 7. 



E. pusillus Lee, black, elytra each with a humeral and subapical 

 yellowish spot and with the second, fourth and sixth intervals cari- 

 nate, length 2 mm., is known from the Middle States and Canada. 



IV. Stenelmis Dufour. 1835. (Gr., "narrow + Elmis.") 



Elongate, subcylindrical species, very closely allied to Elmis. 

 Six are listed from the United States, three of which may occur in 

 the State, while a fourth is herewith described. 



KEY TO INDIANA SPECIES OF STENELMIS. 



a. Second elytral interval not elevated at base; elytra black with a broad 

 yellow stripe; length 2-2.5 mm. linearis. 

 aa. Second elytral interval elevated on basal third. 



