228 FA^[lLT IV. DTTlKCIDil!:. 



late, with the dtn-sal rows of punctures 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. Length 6-7 mm. 



Lake and Laporte counties, beneath rubbish along the shores of 

 lakes ; scarce, ilay 25-Octolier 21. 



f<(utopterus aiiguslns Lee . black, length 16 mm., is known from 

 Canada. Lake Superior and Kansas. 



XVII. Rhaxtus Esch. 1*^33. (Gr., "to wet or soak.") 



^ledium-sized species having the thorax margined; last joint of 

 hind tarsi as short as fourth, with claws unequal. ^lales with front 

 and middle tarsi compressed, dilated, and with four transverse 

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

 taken or may occur in Indiana : 



KEY TO I^-DIAXA SPECIES OF EHAXTIS. 



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

 the inner. 

 I). Thorax with hind angles not prolonged ; elytra blackish with numer- 

 ous fine dull yellow markings. 

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

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



BINOTATUS. 



dd. Femora black ; discal spot entire, transversely quadrate. 



FIAVOGBISEUS. 



cc. Thorax yellow, its front and hind margins black ; length 10.5 mm. 



446. BISTKIATUS. 



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



elytra wholly black or pirenns ; length 10 mm. sixrAxrs. 



(1(1. Claws of middle tnisi of male ei^ual ; upper surface cntiiely black; 



length 12 mm. 417. coNiasus. 



It. I)i>i(jhil IIS liai'i'.. and h'. flnroiii isms Crotch, lioth have a 

 i-anjic which nia>- include northern Indiana. 



44(i (lliiiij. Iin.\KTUs itiSTKiATUS Bergst, Num., 1. 42. 



Rather shortly cvatc. Head black, front and vertex dull yellow ; thorax 

 yellow, its front and hind margins black ; elytra blackish, the margins and 

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

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

 male very broad, compressed. Length 9-10 mm. 



Beach of Lake ^Michigan, near Pine. Lake County; rare. ^May 

 5-June 28. 



/.'. simiaUis Lee, is known from New York, Illinois and ]\Iich- 

 igau. 



