944 KAMTLY L. SrAI?AB.^:iD/l':. 



1780 (501G). Titox siberosis Fob., Syst. Enl., 17!)S. 31. 



()l)loiii,', rolmst. I Mill grM.visli-Iu'dwn. clyfra inottied with pk-emis, sdinc- 

 times nlinost lil:ick nnd shining. Tliornx with sidos rounded, the notch in 

 front of hind angles broad and shallow, the has;;] tubercles as iu moiiachus. 

 but much less elevated and therefore less distinct, the Y-shaped ones form- 

 ing the median groove almost obsolete except at middle. Elytral tubercles 

 feeble or obsolete, with very small tufts of hairs betw'een them. In thuse 

 specimens in which the elytral tubercles and surface coating are wholly 

 absent, the elytra are marked with rows of large rounded or sulninadrate 

 punctures, and ai^pear black and shining. Length 1l!-17 mm. 



Thiouyliout the State; I'reqiK^nt. May 30-8epteinl)er (5. Often 

 attracted by electric liglits of the cities. 



Trox puncfafiis Germ., lensth 12-17 mm., is a southern species 

 \vhich is recorded from neai' Cincinnati. 



17.81 (5G18). Tkox tuberculatis DeGeer, Mem. Ins.. IV, 1778, 318. 



Oblong, slightly broader behind. Black or piceous black. Head usually 

 with four small tufts of hairs in a transverse row. Thorax twice as wide 

 as long, sides feebly rounded, basal margin sinuate ; disk with a wide and 

 deep median groove, bordered each side by an entire ridge, rarely inter- 

 rupted at middle by a transverse elevation. Elytra witli I'ows of rather 

 distinct, feebly elevated tubercles, covered with brownish, suberect setjy; 

 intervals with much smaller tubercles, each of which, in perfectly clean 

 specimens, is seen to be surrounded by three or four minute granules set in 

 large shallow punctures or depressions. Front tibia^ with one small mar- 

 ginal tooth and above it subserrate. Length 9-10 nnn. 



Lal^e, Putnam, Vigo and Posey counties ; scarce. April 30- 

 June 9. This and the next three species are of medium size and 

 have the margins of thorax ciliate with short flattened hairs. The 

 scutellum in it and all the remaining species is oval instead of 

 spear-shaped. 



1782 (r)r)L>l). Trox ertnacevs Lee. Pn.c. I'liil. .Vc-id. Nat. Sci.. VII, 18.j4, 

 212. 



Oblong-oval, shorter than tiihricithiiufi. Dull black, shining when clean. 

 Clypeus more distinctly angulate at middle, the front with two small tufts 

 of hairs. Thorax as in tubcrciilaiiis the median sulcus more shallow and 

 often feebly interrupted at middle. Elytral tubercles in first and third 

 rows more or less connected on basal half, the others rounded, clothed with 

 short, erect black hairs; intervals wilh sin.illcv tubercles and small gran- 

 ules as in tiihcn-iihit lis. Hind femora without spinules on hind margin. 

 Length G-7 mm. 



I'utnam County; rare. August 12. Trikcn fi'om tlie skin of a 

 dead s(|uii"rcl. Prol)a])ly occurs thi'oughout the southern half of 

 the State. 



