976 I'AiriLY L. SCABABiSITDyE. 



1829 (5783). Laciikostekna villifkons Lee, Journ. Phil. Acad. N:it Sci., 

 YII, 1S.-6, l'r,5. 

 Oblong, moderately elonS'ite. Dark reddish or chestnut brown, shining. 

 Head coarsely and densely punctured. Thorax narrowed in front, sides 

 regularly curved, margin not crenate and with short ciliffi ; surface coarsely, 

 iloeply and sparsely punctured, often with large smooth spaces. Elytral 

 liuuetures coarse and very dense, the discal eostie indistinct. >Iale with an- 

 tennal club as liaii; as stem; alidomen liroadly flattened at middle, the fifth 

 segment with a feelile curved elevatic.n. Length 14..''i-lC) mm. (PI. V, fig. 

 402.) 



Posey Comity; sc.irce. April_l-')-j\[ay 10. Those on the earlier 

 date were taken fmrn iieneath l)ark of oak stumps and logs. 



Group E. 



^Ml the memhers of this group are more or less hairy and have 

 the antenn£E 10-jointed, the club of male shorter than in the pre- 

 ceding groui)S; clypeus emarginate; inner spur of hind tibiie of 

 male fixed and rather long ; claws armed with a strong median tooth. 

 Thi'(o of the four known species have been taken in Indiana, while 

 the other probably occurs. 



KEY TO SPECIES OF GKOUP E. 



(I. Basal margin of thorax with an impressed line reaching from hind an- 

 gles nearly to middle ; sides of thorax not subangulate. 

 1). Elytra with rews of erect hairs. 1830. hirticula. 



hh. Elytra with line scattered suberect hairs. ISMl. delata. 



(III. Basal margin of thorax without impressed line, the median line usually 

 finely carinate; sides subangulate. 

 ('. Surface of elytra more or less hoary or pruinose ; pubescence fine, uni- 

 form and recumbent. 1S32. imcis. 

 re. Surface not pruinose ; elytra with rows of shor: erect hairs in addi- 

 tion to the recumbent ones. cieiata. 



18.30 CiTSO). Lachnosterna hirticula Kiioch., Neue Beytr., ISOl, 7!). 



Oblong, slightly broader behind. Reddish-brown to dark chestnut-bro«-n. 

 shining; head and thorax witli erect hairs. Elytra with five lines of erect 

 liairs along the usual costa?. Clypeus rather deeply emarginate, surface 

 coarsely and very densely punctured. Thorax -narrower at apex, sides 

 usually entire, with short cilia^; surface with coarse, i-.-ither sparse variolate 

 punctures. Elytra ivith much finer, rather dense, feebly- imin-essed punc- 

 tures, the margin fringed witli long hairs. :\Iale with antennal club a little 

 longer than the funicle ; abdnmen flattened at middle, the fifth segment more 

 dejiressed behind the middle, with a short oblique ridge each side, sometimes 

 with a well marked transverse ridge in front of middle. Length lV;.5-19 mu' 

 fl'l. V, fig. 403.) 



Throughout the i^late; common in the southern counties, less so 

 in the north. JFaivh SiVJuly 1. Those on th(> earlier date from 

 beneath stones. (,)uite variable in form and size, but readily known 

 by the lines of erect elytral hairs. 



