84 



No. 428, anthracinus Knocli. Black, polished ; thorax sub- 

 quadrate, broadest at base, posterior angles rectangular, elytra 

 with impressed, punctured stria?, and convex, interstitial lines. 

 Anterior tibi;i3 of the male with a spine within the middle. 

 Length from .50 in. to .62 in. ; breadth from .18 in. to .24 in. 



U. rufi2'>cs is hardly distinct from this species, and differs 

 only in having the thighs rufous or pale piceous. 



No. 143, fulvipes Herbst. Trogosita femorata Fabr. 



' Subgenus Tenehrio proper. 



No. 128, molitor var. americanus Peck. Black, opaque, con- 

 fluently punctured ; posterior angles of the thorax subacute, 

 produced ; elytra striate, stria3 punctured, interstitial lines 

 acute. Body beneath, tarsi and antennse piceous, the latter 

 fulvous at tip. Anterior tibiae of the male arcuated. Length 

 from .52 in. to .71 in. ; breadth fi'om .17 in. to .25 in. 



For this species Prof. Say erroneously gave me the name 

 of harhatulus Knoch, which is a Upis, allied to Icevis^ and has 

 a bearded labium. Our onolitor is found exclusively about 

 houses, barns, and granaries ; the larva feeds upon corn, flour, 

 etc., and not upon wood. 



No. 316, p)unctulatus mi. Blackish brown, oblong, punc- 

 tured, subrugose, elytra punctato-striate, interstitial lines 

 convex, subacute ; all the tibiae arcuated ; tips of the antennas 

 ferruginous. Length .52 in. to .66 in. ; breadth from .10 in. 

 to .24 in. 



It is a much larger species than badius, with but little 

 polish, the punctures more distinct, no larger ones on the sides 

 of the thoracic base, and the interstitial lines acute. Li 

 badius the interstitial lines are convex and rounded, and the 

 tibiic are not arcuated. T. punctidatus is distinguished from 

 our molitor at once by its aspect, and by having all the tibia? 

 arcuated, the body somewhat polished, and the posterior tho- 

 racic angles straight and not produced. The larvae of this 



