TIII: HISTER BEETLES. f>13 



fifth abbreviated at base, sutural entire or nearly so; intervals sparsely 

 but distinctly punctured. Mesosternnm deeply emarginate. its strire inter- 

 rupted at middle. Front tibi.-e with four teeth: middle tibia- with three 

 short spines. Length 2-2.5 nun. 



Known from Indian;) by three specimens taken by A. B. Wol- 

 cott from beneath bark of nine near Clark -Junction. Lake County. 

 July 28. Described from Georgia, where it is said to be rare. 



1109 (3524). HISTKR COARCTATUS Lee., Bost. Jonrn. Nat. Hist, V, 1845, 41, 



pi. I, fig. 6. 



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

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

 entire dorsal stride, fifth one-half and sutural two-thirds the length of ely- 

 tra ; a very short basal subhuineral. I'ropygidimii coarsely and sparsely, 

 pygidium finely, punctured. Length 2.5 .", nun. 



Marion County; rare. May 17. 



1170 CI52C. ). HISTKR P.ASAI.IS Lee.. 1'roc. I'liil. Acad. Nat. Sci., 1SC.1, 34.".. 

 Elongato. subcylindrical. Black, shining; antenna- red- 

 dish-brown; legs pieeons. Thorax minutely punctulate on 



disk: rather coarsely and sparsely punctured at apex and 

 mi sides. Elytra with four entire dorsal stria?, fifth and 

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

 humeral. I'ropygidium and pygidium rather coarsely and 

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

 dle and hind tibia 1 each with three acute teeth on outer 

 edge. Length 4.5-5.5 mm. (Fig. 2X5.) ? , 



Marion County; rare. November 22. Two speci- 

 mens from the roots of a hackberry tree in low. open woods. Much 

 more robust than coarctatu*. 



SUBGENUS IV. (CYLTSTKIX.) 



Small, elongate, cylindri< al beetles, having the inner marginal 

 stria of thorax absent, outer stria entire and dost- to the margin; 

 front tibia 1 spinose as mentioned in key. One of the three known 

 species has been taken in Indiana. 



1171 (3529). HISTER GRACU.IS Lee.. Bost. .Tourn. Nat. Hist., V. 1845, 41, 



pi. I. fig. 7. 



Elongate, cylindrical. Piceous black, very shining: antenna- and legs 

 reddish-brown. Head sparsely punctured; clypens concave. Thorax longer 

 than wide, sparsely punctured with fine and coarse punctures intermingled. 

 Elytra with four entire stria-, the fifth apical, extending to middle, sutural 

 slightly longer. Pygidium nearly smooth. Marginal stria of prosternal 

 lobe obliterated. Front tibia- four-, middle three-, hind t \vo-1oot lied. Length 

 2.5-3 nun. 



Vig.- and Marion counties; scarce. May 1-May 21. Occurs 

 beneath bark of elm and other trees in low. moist woods. 



