228 F\:\lll.^• w. -DV'riscfD.T;. 



liitc. with the dorsiil rows of pniicliires well marked and additional ones in 

 the intervals; of female opaque, more coarsely reticulate and without punc- 

 tures. All the tarsal claws short and weak. Leng:th (5-7 mm. 



I al<(' and Laporte eountit's, lieiicatli i'iil)l)isli aloiisi' the shores of 

 lakes; s;-ar(H'. May 25-()etoliei- 21. 



S( uiopferux aiuiiislus l.ee . black, length IG iniii.. i.s known from 

 Canada, l^ake Sapefior and Kansas. 



XVIT. Rii.\NTrs Eseh. 1S:]3. (Gr.. ''to wet or soak.") 



Medium-sized si)ecies having the thorax margined ; hist joint of 

 hind tarsi as short as fourth, with daws unequal. Males with front 

 and middle tarsi compressed, dilated, and with four transverse 

 rows of disks on under side. The following species have been 

 taken or n)ay occur in Indiana: 



KEY TO INDIANA SPECIES OF RIIANTl'S. 



a. Claws of middle tarsi of male unequal, the outer one much longer than 

 the inner. 

 1). Thorax with hind angles not prohaiged ; elytra blackish with numer- 

 ous tine dull yellow markings. 

 c. Thorax with one or two median black spots; length 11.5-12 mm. 

 il. Legs dull yellow; discal spot of thorax divided by a narrow line. 



BINOTATUS. 



'/'/. Femora bhu-k ; discal spot entire, transversely quadrate. 



FLiWOGRISEl'S. 



<■<: 'J'liorax yellow, its front and hind margins black; length 10.5 mm. 



44G. BISTRIATUS. 



hh. Thorax with base deeply bisinuate, the hind angles prolonged, acute; 



elytra wholly black or piceous; length 10 mm. sinuatus. 



(Id. Claws of middle tai'si of male equal; u])]ier surface entirely black; 



length V2 mm. 447. confusus. 



It. hliiolahis Ilari'.. -uid !>. //(ii'ojirisi us ("rotch, l)oth have a 

 range which may include northern Indiana. 



440 (1400). RiiAXTis BISTRIATUS Bergst., Nom., I, 42. 



Itather shoitly (.vale. Head black, front and vertex dull yellow; thorax 

 .vellow. its front and liind margins black; elytra blackish, the margins and 

 many small reticulate marks dull yellow; prosternuni and four front legs 

 reddish-brown; remainder of under surface black. Outer middle claw of 

 male very broad. ci}mia-essed. Length IVIO mm. 



P>eaeh of La,ke Michioan. ncai' Pine. Lake County; rare. May 

 5-June 28. 



h'. siiniiihis Ia'v.. is known from New ^^ii'k, Illinois and. Mich- 

 igan. 



