't72 FAAni.v xxii. — fiRYPTOPnAnTn.T;. 



nal elub is 3-jointed, the ninth joint slightly smaller than tenth, the 

 eighth small and similar to seventh. Three species are known from 

 the United States, two oi' which are known from Indiana, while the 

 other may occnr. 



KKY TO SPECIES OF DIPLOCfKHS. 



a. Raised lliios on sides of tliorax well marked. 



1). Thurux uarruwed in fi-dut, its sides nearly strai,i:;lit. hind angles 

 proiuiuent, externally covering the base of elytra. angl sticollis. 

 bb. Thorax not narrowed in front, its sides regularly curved. 



108(5. ISKUNNEUS. 



ltd. liaised lines of thorax almost obsolete. lOST. rudis. 



J). (iii(/ii.sllc<AUs Horn, piceous, length 4.5 mm., was described 

 from Marquette, IMichigan. 



lOSG (3414). UiPLoccELUS brunneus Lee, New Spec. N. Amer. Col., I, 

 1SG3, 73. 

 Elnngale-oval, slightly convex. Dull blackish-brown or i>iceous, feebly 

 shining, r.-ithcr sparsely pubescent. Thorax closely punctured, sides nearly 

 parallel, disk with three elevated lines on each side, of which the inner is 

 feeble and incomplete, lllytra with feebly impressed rows of close-set piinc- 

 tures, intervals eacli willi a I'nw of short, very fine, suberect hairs, liengtli 

 3-3.5 mm. 



Marion, riitnaiii, Lawrence, -lennings and Posey counties; fre- 

 (|iient. A[»i'il 22-N()vem))er 20. Probably hibernates. Taken in 

 summer from fungi on beech and maple logs and in si)ring by sift- 

 ing from about the roots of such trees. 



1087 (3415). 1 >ii'i.(K (iJ.Ls RUDIS Lee, loc. cit. 



Elongate-oval, slightly convex. Dark reddish-lirnwn to fuscous, shin- 

 ing. Thorax coarsely punctured, with only traces of raised lines on the 

 disk; hind angles rectangular, acute. Elytra with rows of very coarse 

 punctures; intervals polished. e:ich with a single row of very long suberect 

 hairs. Length 2 2.5 mm. 



A soiithei-n species lakcii in Perry (^^ounty; rare. May 1. 



II. Cryptop]iih-s Keitt. 1874. (Gr., "a concealed placer- 

 loving.") 



A singl(% small ()l)long, picenus-l)i'()wn species, introduced from 

 Eiu'ope, represents this genus in the Slate. It resembh's several of 

 our species of Criiplojilianus but does nol have the apical angles of 

 lliorax thickened. 



H»S8 ( ). ("nvi-roiMiM IS iiNTKOKi; lic.'i-. I'.inii. Ilelvel.. I. 1S40. 42<;. 



lOlnngate-ojiinng. suli|i:ii-ai]ei. feebly cdnvex. I'icedns or dark reddish- 

 itruwn, sp.ii-sely il<itlied witli suliei'ect yellowish hairs. .\ntenn;e nearlv 



