THE MINUTE BROWN SCAVENGER BEETLES. 



657 



face without carina? and disk with a distinct rounded or transverse 

 fovea before the base; elytra each with eight rows of punctures 

 which are moderately large toward the base but become finer api- 

 cally. The males have the first joint of the front tarsi distinctly 

 dilated. Of the 26 species of the genus listed from the United 

 States, the following have a range which may include Indiana : 



KEY TO INDIANA SPECIES OF COETICAEIA. 



a. Pubescence more conspicuous, the hairs of elytral intervals longer, more 

 erect and bristling than those of the striae; middle coxa? separated 

 by less than one-third their own diameters ; form moderately convex. 

 &. Punctures of stria? and intervals not very different in size, somewhat 

 confused ; front and middle tibia? of male not bent at tip ; length 

 2.3-3 mm. pubescens. 

 1)1). Punctures of elytra! intervals distinctly finer than those of stria?, 

 not confused; front and middle tibia? of male bent and mucronate 

 on the inner side at tip. 

 c. First joint of antennal club not distinctly longer than wide; tho- 

 rax cordate ; color pale brownish-yellow ; length 1.7-2 mm. 



FULVA. 



cc. First joint of club distinctly elongate ; thorax feebly cordate ; color 

 piceous brown, the elytra often paler ; length 2.1-2.3 mm. 



VAEICOLOB. 



aa. Pubescence shorter, more appressed and uniform ; middle coxa? sepa- 

 rated by nearly one-half their own diameters ; form often depressed. 

 d. Metasternum subequal to or shorter than first ventral ; joints of an- 

 tennal club all longer than wide; thorax without fovea; length 

 2.3-2.6 mm. valida. 

 dd. Metasternum distinctly longer than first ventral. 



e. Size larger, 2-2.5 mm. ; sculpture of both upper and lower surface 

 coarser and closer ; margin of thorax distinctly serrate. 



1260. SEBBATA. 



ee. Size smaller, always less than 2 mm. 



f. Fifth ventral segment not longer than fourth, the sixth usually 

 distinctly visible; last three joints of antennal funicle trans- 

 verse. BEEVICOENIS. 

 //. Fifth ventral at least one-half longer than fourth, the sixth not 

 visible; outer joints of funicle not evidently transverse. 

 g. Color yellowish to dull reddish-yellow ; elytral intervals with 

 a single regular row of punctures. 1261. elongata. 



gg. Color reddish-brown ; elytral intervals more or less irregularly 

 punctulate ; form less parallel and less depressed. 



1262. FEEBUGINEA. 



C. pubescens Gyll.. fuscous to fuscous-yellow in hue, is known 

 from Michigan and northern Illinois; C. fulva Com., is recorded 

 from Kentucky and Michigan ; C. v (tricolor Fall was described from 

 Michigan, Dakota and westward; while C. valida Fall has been 

 taken in northern Illinois. 



