'I'll 



IIIS'I'KU lilCKTI-KS. 



013 



liflli nliln'cv i;il("(l ;il li.isc, siitiir;il ciiliic tU' iifiirly so; iiiicrvnls s|i;irsely 

 liut ilisiiiictl\ iHiiiriiircil. .Mcsdsk'rnuiii deeply eninriiiiiiilc, its stri;e inter- 

 rupted iit iniddlf. Knuit lihiie with four teetli ; middle lihijo with three 

 short spines. Lenjrth '2 2.5 mm. 



Known from Tti(li;in;i liy \hvvo sp(M'iiii('Ms t;il<(';i l)y .\. T^. AVol- 

 cott fi'oni bcnc.illi l»;ii'l< dl' pine I'.car Cliirk .1 iiiict ioii. I.nkc t'lumty. 

 July 2'.l. l)(>sci'il)('(l riMin (icortiia, wlierc i1 is snid Jo lie v.we. 



11(>9 (3ol'4). IIisTKR COARCTATIS Lec. Bost. Journ. N:it. Hist, V, 1845, 41, 

 pi. I, fig. 6. 

 Elongate, parallel, cylindrical. Black, shining; legs and antennae red- 

 dish-brown. Thorax evenly but not densely punctured. Elytra with four 

 entire dorsal stri:o. fifth one-half and sntnral two-thirds the length of el.v- 

 tra : a very slu.rt hnsal suhhuniei-.-il. T'roity,i,M(linin coarsely and spar.sely, 

 pygidivun tiuely. punctured. T,eiii,'tli '_'.."'. :', uiiii. 



^iFjirioii County; rare. May IT. 



1170 {?>o2C,). riiSTER liAs-M.TS Lec. I'roe. I'liil. Acad. Nat. Scl 



Elongate, snbcylindrical. Black, shining; antenna' red- 

 dish-brown ; legs piceous. Thorax minutely punctulate on 

 disk; rather coarselj' and sparsely punctured at apex and 

 on sides. Elytra with four entire dorsal strire, fifth and 

 sutural subequal. one-half the length of elytra ; a very short 

 humeral. I'ropygidium and itygidium rather coarsely and 

 sparsely punctured, the latter nearly smooth at apex. Mid- 

 dle and hind tibia? each with three acute teeth on outer 

 edge. Length 4.5-5.5 mm. (Fig. 23-3.) 



Marion County; rare. November 22. Two speci- 

 mens from tli(> roots of a hackberry ti-ec in low. open av( 

 more rol)usl llian ((xirchd us. 



SlBGENUS IV. (CVLISTKIX.) 



8mall. eloiiuate. cyliiidrii al beetles. ]ia\'i'i^' the inner uiariiinal 

 stria of thorax absent, outer stria entire and close to the marjiin; 

 front tibia' spinose as mentioned in ke\'. One of the three known 

 species has been taken in Indiana. 



1171 (3529). HiSTER GRACILIS Lec, Bost. .Tourn. Nat. Hist., V, 1845. 41, 

 pi. I, fig. 7. 

 Elongate, cylindrical. I'iceous black, very shining; antenn;e and legs 

 reddish-brown. Head si)arsely punctured; clypeus concave. Thorax longer 

 than wide, siiarsely i»unctured with fine and coarse punctures intermingled. 

 Elytra with four entire stria>. the fifth apical, extending to middle, sutin-;il 

 slightly longer. Pygidium nearly smooth. ^Marginal stria of prostern.-il 

 lobe obliterated. Froiit tibiji' four-, middle three-, hind two-toothed. T-ength 

 -.5 .'! nun. 



\'ig(' and .Marion counties; scarce. ,May l-.May 21. Occurs 

 beneath bark of elm and other trees in low, moist ^voods. 



