■I'lTK rUK DVOEOUS 1")TV1X0 MKKI'LES. 215 



ihl. i:i.\tr;i (lull vfllow, cioiulod with black streaks, tiiicly. densely and 

 evenly imuctured. 414. nubilus. 



cc. Elytra usually with a sutural and \\\o dorsal inii)ressed lines, deeply 

 and coarsely itunctate; larjier. T) 5.^ nun. 



415. IMPKKS.SO-ITNCT.VTUS. 



4t)'.» (l-'^4). Ca.:u\Miu .s in.kqialis Fah.. Knt. iSyst.. 1. 17!»2, 2()U. 



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

 yellow, the latter with front and hind mnrj^ins dusky. Elytra dark brown 

 with traces of dull yellow\ notable for the deep and re.i,'ular punctures. 

 Under surface coarsely and rather sparsely i)unctured. Length 3 mm. 



Stoiilien. Lake. Marshall. Laporte and .Alai-ion (•(uiiitics; common 

 ill Lake Maxinkuekeo. .Vpi-il 4 October 2:3. Usually listed as C. 

 pinicfahi<i Say. 



410 (12S8). CcELAMBUs ACAKOiDKs Loc. Troc. I'hil. Acad. Nat. Sci., VII, 



1855, 294. 



Kounded-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 submargin;il carina on 

 middle third. Length 2.5 mm. 



Steubeii (Vmnty; rare -Inly ."). Described from Illinois and 

 Keiitneky and ])robal)ly oecntrs thron^hnnt the State. 



411 (128!)). CcKLAJiius TUKmDiTs Lee, Proc. Phil. Acad. Nat. Sci., 1855. 



298. 

 Oval, convex. Piceous brown, shining: head, antenme, legs and mar- 

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

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

 erately coarse. Length 2.8 mm. 



Lake and Laporte counties; scarce. May 28-.July 21. Re- 

 sembles C. i>mqiialis, but beneath black and much less couvex, the 

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



412 (i:'.77). C(ELAMBUS LACcoPHTLiNus Lec, Proc. Amer. Phil. See, XVII. 



1878, 595. 

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

 brown; elytra darker, the male shining. Thoi-ax of male finely rugose and 

 minutely punctured. Elytra rather coarsely and regularly i)unctate in 

 nnile; 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 ^larshall counties; frequent. March ll-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-re<l ; 



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

 tures. Length 3.s -l mm. 



Lal<(\ Lnporie and Marion counties; scarce. Mnrcli ll-July 15. 



