1324 



FAMILY LXI. MORDELLID^E. 



I 



thorax bright yellow ; elytra densely clothed with yellow pubescence. Length 



2.5-3 mm. 



Lake C o u n t y ; rare. 

 September 22. Although 

 Smith places dii'isa as a 

 synonym of marginalis,jei 

 the specimen at hand is 

 very distinct by the much 

 brighter yellow of head 

 | > and legs and the character 

 of the pubescence. 



.17. (tqitalis Smith, 

 length 5 mm., was de- 

 scribed from northern 

 Illinois. 



Fig 580. n, Hind tibia and tarsus of ,17 

 b, elytron of same: c, elytron of M. pubescens; d, ely- 

 tron of AT bilnimata. (After Smith.) 



GROUP F. 



In this group the hind tibia 1 are marked with four to six short, 

 oblique ridges. (Fig. 580, a.) The following species have been 

 taken or perhaps occur in the State: 



KEY TO INDIANA SPECIES OF GllOt'P F. 



(/. 1 1 hid tibitu with only four ridges besides the subapical one. 



b. Fourth ridge very small or rudimentary; first joint of hiixl tarsi with 



three, second with two oblique ridges, 

 c. Body black. 



(/. Elytra with an undulated band before the middle and a large 

 oblong spot near tip, fuscous. (Fig. 5SO, U.) SCALARIS. 



(/r/. Elytral markings of silken yellow, not fuscous, pubescence. 



G. Elytra with a curved band from humerus to suture, a cross- 

 band behind middle and another at tip of silken yellow pu- 

 bescence. (Fig. 580, c.) 2457. PI IIESCENS. 

 cc. Elytra with two oblique bands connected by a line near mar- 

 gin, and also the apex yellowish pubescent. 



2458. BIHAMATA. 



<<. Body uniform brownish- yellow ; elytra with two very oblique bands 

 of silken yellow pubescence. ,459. LITURATA, 



l>i>. Fourth ridge of bind libi.-c distinct. 



/. First joint of hind tarsi with three, second with two oblique ridges ; 

 elytra fuscous, clothed with short, yellow pubescence. 



2460. FUSCATA. 

 ff. First joint of hind tarsi with five ridges ; second joint with three 



ridges, third with none. 

 //. Color reddish-brown, 2461. HOOSIERI, 



