THE I,EAP BEETLES. 1211 



Lake, Starke and Marshall counties ; frequent along the marshy- 

 margins of lakes. May 18-May 30. 



223S (7041). Ch^etocnema pingvis Lee, Proc. Amer. Phil. Soc, 1S7S, 417. 

 Short, oval, robust. Piceous-bronzed, shining; antennje with five basal 

 joints reddish-yellow, the remainder bronzed; middle and hind femora 

 bronzed, front femora and all the tlbiaj and tarsi reddish-yellow. Head very 

 finely alutaeeous, minutely and sparsely but distinctly punctate. Thorax 

 nearly t\^'lce as wide as long, sides more curved than in minuta; surface 

 faintly alutaeeous, very finely and sparsely punctate. Elytra but slightly 

 wider than thorax, widest at middle ; surface distinctly alutaeeous, umbone 

 not prominent; striae feebly impressed, more deeply on sides, their punc- 

 tures fine and well separated ; intervals smooth. Length 1.8-2 mm. 



Lawrence County; scarce, ilay 11. Resembles minuta in form, 

 color and size, but differs in the basal punctures of thorax and in 

 the less impressed and more finely punctured elytral striae and the 

 more distinctly punctate head. A member of the Austroriparian 

 fauna. 



2239 (10,4C2). Ch^tocnejia opui.enta Horn, Trans. Araer. Ent. Soc, XVI. 



1889, 2G4. 

 Oval, moderately convex. Brassy-bronze, not alutaeeous; antennis red- 

 dish-yellow at base, gradually darker to tips; femora bronzed, tlbioe and 

 tai-si reddish-yellow. Head finely wrinkled, not punctured. Thorax nearly 

 twice as wide as long, sides regularly curved, basal marginal line deep, en- 

 tire; surface coarsely, deeply and closely punctate. Elytra slightly wider 

 at base than thorax, striaj feebly impressed, punctures very coarse, deep 

 and closely placed ; intervals feebly convex, finely but distinctly punctulate. 

 Length 2-2.5 mm. 



Starke and Wayne counties; scarce. ^lay 19-iIay 26. Swept 

 from the foliage of mint in lew, moist places. Known heretofore 

 only from California, Nevada and New Mexico. 



2240 (7050). Ch^tocnema pabcephnctata (Jrotch, Proc. Phil. Acad. Nat. 



Sci., 1873, 74. 

 Oval, robust. Piceous-bronzed. shining; tibi», tarsi and base of an- 

 tennae paler. Thorax twice as wide as long, sides curved ; disk finely alu- 

 taeeous, sparsely and rather finely punctate. Elytra one-fourth wider at 

 base than thorax, striae feebly impressed, the rows of punctures large, round 

 and rather close-set; intervals narrow, not punctate. Length 1.0 mm. 



Marion County ; rare. June 12. Swept from low-ground herb- 

 age. Known from IMassaehusetts, Pcnnsj-lvania, Ohio and south- 

 ward. 



