THE PREDACEOUS DTVTNG BEETLES. 



215 



dd. Elytra dull yellow, clouded with black streaks, finely, densely and 

 evenly punctured. 414. nubilus. 



gc. Elytra usually with a sutural and two dorsal impressed lines, deeply 

 and coarsely punctate ; larger, 5-5.5 mm. 



415. IMPKESSO-PUNCTATUS. 



409 (1284). Ccelambus injequalis Fab., Ent. Syst, I, 1792, 200. 



Short, suboval, convex above and below. Head and disk of thorax dull 

 yellow, the latter with front and hind margins dusky. Elytra dark brown 

 with traces of dull yellow, notable for the deep and regular punctures. 

 Under surface coarsely and rather sparsely punctured. Length 3 mm. 



Steuben, Lake, Marshall, Laporte and Marion counties ; common 

 in Lake Maxinkuckee. April 4-October 23. Usually listed as C. 

 punctatus Say. 



410 (1288). Ccelambus acaeoides Lee, Proc. Phil. Acad. Nat. ScL, VII, 



1855, 294. 



Rounded-oval, subdepressed. Head, thorax and legs dull yellow ; elytra 

 yellowish, with a large common sutural spot reaching past middle, and 

 three discal spots on each, blackish ; an elevated submarginal carina on 

 middle third. Length 2.5 mm. 



Steuben County; rare. July 5. Described from Illinois and 

 Kentucky and probably occurs throughout the State. 



411 (1289). Ccelambus tubbidus Lee, Proc. Phil. Acad. Nat. Sci., 1855. 



298. 



Oval, convex. Piceous brown, shining; head, antennae, legs and mar- 

 gins of thorax dull brownish-yellow. Thorax finely punctate on apical half, 

 more coarsely near the base. Punctures of elytra rather dense and mod- 

 erately coarse. Length 2.8 mm. 



Lake and Laporte counties; scarce. May 2 8- July 21. Re- 

 sembles C. inwqualis, but beneath black and much less convex, the 

 elytra with finer punctures and the clypeus not margined in front. 



412 (1377). Ccelambus laccophilinus Lee, Proc. Amer. Phil. Soc, XVII, 



1878, 595. 



Short, ovate, subdepressed, pointed behind. Head and thorax light 

 brown ; elytra darker, the male shining. Thorax of male finely rugose and 

 minutely punctured. Elytra rather coarsely and regularly punctate in 

 male; opaque and very finely punctulate in female. Basal segments of ab- 

 domen rather coarsely punctured in both sexes. Length 2.6-3 mm. 



Marion and Marshall counties ; frequent. March 14-October 1. 

 The females are minutely alutaceous and are much less common 

 than the males. 



413 (1301). Ccelambus dissimilis Harr., Cat. Ins., 1835, 472. 

 Oblong-oval, subconvex. Head and thorax dull yellow to brick-red ; 



elytra dark reddish-brown, rather thickly dotted with line and coarse punc- 

 tures. Length 3.8-4 mm. 



Lake, Laporte and Marion counties; scarce. March 14-July 15. 



