THE ULSTER BEETLES. 



607 



1150 (3490). Histek abbbe vpa.tu s Fab.. Syst. Ent, 1798, 

 Broadly oval, convex. Thorax with inner stria en- 

 tire, outer usually extending to middle, often shorter ; 

 surface finely punctulate. Elytra with two subhumerals, 

 the inner apical, the outer basal, the two with their ends 

 overlapping near middle ; entire dorsal striae, four, strong- 

 ly punctured, fifth short, apical, sutural reaching middle. 

 Pygidium finely and sparsely punctate. Front tibiae with 

 four feeble teeth, the apical one bifid. Length 3.5-5.5 mm. 

 (Fig. 231.) 



■ .. ■ ' Fig. 231. X 5. 



Throughout the State ; frequent. April 12-Oc- (Original.) 

 tober 9. Occurs especially beneath dead fish and turtles along sandy 

 margins of lakes and ponds ; also rarely in fungi, cow dung, etc. 



1151 (3491). Hister civilis Lee, Bost. Journ. Nat. Hist., V, 1845, 55, pi. 3, 



fig. 5. 



Oblong-oval, subdepressed. Thorax with inner stria entire, the outer 

 represented only by an arc at front angle. Elytra without subhumeral and 

 with only three dorsal .stria?, the fourth existing merely as a trace at apex. 

 Propygidium coarsely and very sparsely, pygidium more finely, punctured. 

 Front tibiae with very fine teeth or none at all. Length 4 mm. 



Vigo County; rare. June 11. One specimen from beneath a 

 chunk in dry upland woods. 



H. semisculpius Lee, form oblong, is known from Illinois. H. 

 dispar Lee, also with three dorsal striae, occurs in Georgia, Illinois 

 and Kansas. 



1152 (— — ). Hister osculatus sp. nov. 



Broadly oval, convex. Thorax with inner stria entire, close to margin, 

 outer one wholly absent; disk coarsely and rather sparsely punctate on 

 sides, smooth at middle. Elytra with four entire dorsal stride, a trace of 

 fifth near apex, sutural on apical third but not reaching apex; inner sub- 

 humeral deeply impressed on apical third, outer absent. Propygidium and 

 pygidium sparsely and finely punctate. Front tibia? with three teeth, the 

 middle one the largest. Notch of mesosternum rather deep and broadly 

 rounded. Length 5.5 mm. 



Posey County; rare. May 28. The absence of outer thoracic 

 stria, the coarse punctures on sides of thorax and the presence of 

 four entire dorsals, readily distinguish this from all other members 

 of the depurator group of Horn. 



1153 (3494). Hister depurator Say, Journ. Phil. Acad. Nat. Sci., Y. 1825, 



33; ibid. II, 2(31. 



Broadly ovate, convex. Thorax with the inner stria entire, outer vari- 

 able, usually reaching middle or beyond. Elytra with three entire dorsal 

 stria?, fourth apical, rarely half the length of elytra, fifth a mere trace, 

 sutural reaching middle; inner subhumeral moderately impressed at apex, 

 [39—23402] 



