|>K.-. I89^,l Li-.Nt: \- I'.ij- iKwiiiii 1 K. ('(.i.KoiT. N. K. Amik. l.Si 



I), erythrocerus /.v.— Hlark, shininj^s antoniKV. palpi and legs 

 niloiis ; (1\ p(.iis lianlly Inincalr. an<;lfs a little prominent : tliora.x 

 longer llian hroail, siih-ovate : elytra with inijiressed stria;, ab- 

 breviated at base, strongly pinietate anteriorly. ei}>|,i|, stria obso- 

 lete, but grooved at the apex; intervals almost level. I.en^ri),, 

 . 20 inch = 5 mm. 



ILil'ital^ N. N ., \. I., Pa.. Ohio. 



I), spha-ricollis Sny. -Ilron/.ed. anteniue and le;;s dark 

 ndous ; thorax ovate ; elytra deeply striate, the stride running to 

 the apc.v, punrtures distinet, indistinet behind ; apical spur of 

 front tibia; long, clypeus tridentate. Length, .22 inch = 5.5 mm. 



Habitat, N. K. .Nnx-rica. 



D. truncatus /.^v. -- blackish bronze, shining; legs red ; head 

 with deep frontal impressions, transverse line not profound ; 

 clypeus aluKtsl stpiarely truncate, with tlu- angles rounded ; 

 antenmv rufo-piceous, base reddish; p.dpi and month leddish; 

 thorax broader than long, ovati-, narrowed in front, dorsal impres- 

 sion deep ; elytra not wider than thorax, stri;o impressed, entire, 

 the 3rd, 4th and 5th begin at the declivity of the base, the others 

 arc shorter, and the Sth is obsolete : the punctures are moderately 

 largo and extend beyonti the middle. Length, .22 inch ^ S-S "im. 



Ilai'itat, Illinois, also Mo. 



D. sellatus Liw — Pale testaceous ; head rugose ; clypeus 

 broadly cmarginate, acutely bidentate ; thorax ovali-, conve.v ; 

 elytra cydrindrical, convex, pale ami obscured bv a few darker 

 p;Kches ; distinctly sliiatt.-. punctures indistinit. Length. .iS 

 inch = 4.5 mm. 



Ihil'ilat, N. ^'.. .\. 1., near the se.icoast. also Mo. 



D. pallipennis Say. — Reddish, brown, black beni-ath; thorax 

 globose, somewhat truncate before, rountled behind ; elylral 

 strix> distant with obsolete punctures, an obsolete oblicpie spot 

 at the base, another at the tip and a still less distinct one behind 



the midille. Length, . 16 inch = 4 mm. 

 Ila/'itat, N. V. to I'la. 



D. filiformis /./•(". — llrassy black, siiiiniig; sieiidii ; iic.ici wkm 

 ilypeus broadly cmarginate and acutely bitlentate: autenn.u 



