280 



FAMILY N'lII.— SILTHID.K. 



•ifC. 140, 



(Original.) 



54<i (1720). CiioLEVA isAsiLK\Ris Say, Jouru. Phil. 



Ac-ad. Nat. Sci. III. 1823, 1(14; ibid 



II. 124. 

 Oblong. iiKiderately elongate. Head and thorax pic- 

 eoiis ; elytra dark brown, paler at base, the surface 

 inibescent, moderately shining. Thorax more than half 

 as wide as long, slightly narrowed in front, base feebly 

 curved ; elytra very little wider than the thorax, nar- 

 rower behind, not densely punctured. Length 3-4 mui. 

 (Fig. 140.) 



Clarion. Clark and Posej^ counties; scarce, 

 ^iareh 25-]\ray 21. Those from Marion County 

 were taken from the nest of a shrew. 



r>47 (1730). Choleva clavicornis Lee, Proc. Phil. Acad. Nat. Sci., VL 

 1S53, 281. 

 Oval, slightly oblong. ITead and thorax dark brown, or piceous; elytra 

 pale brown, pubescent. AntennjTp scarcely reaching hind angles of thorax, 

 liiceiius. the ai)ical and two basal joints paler. Thorax twice as wide as 

 long, the surface i-ather densely punctate. Elytra oval, gradually narrowed 

 to apex, not wider than thorax. Length 2.5-3 mm. 



Kosciusko. ^Farioii. Putnam and t)ubois counties; scarce. March 

 18- August 17. 



*548 (1732). CiiOLEVA terminals Lee. Agass. Lake Sup., 18,50, 218. 



Oblong-oval. Piceous or brownish, finely pubescent. Anteun;T5 as in 

 clavicornis. Thorax twice as wide at base as long; sides curved and i:ar 

 rowed to front ; hind angles rectangular, surface finely and densely punctn 

 late. Elytra as wide at base as thorax, gradually narrowing to apex; su 

 tural stria rather deeply impressed; surface not densely punctate. Length 

 2.5-3 mm. 



Throughout the State; frequent. Hibernates as imago. April 

 12-Deeember 5. Taken in deserted nests of mice; also on dead 

 hens and fungi. 



V. Prionocileta Horn. 1880. (Gr., "a saw + bristle. ") 



Here belongs a single medium-sized i)laek species having the an- 

 tenna^ as long as head and thorax, the last four joints abruptly 

 shorter than those preceding; middle tarsi of male not dilated. 



540 (1734). Prionoch.eta opaca Say, Journ. Phil. Acad. Nat. Sci., V, 1825. 

 184 ; ibid. II, 289. 



Oblong-oval, slightly narrower behind the middle, the thoracic and ely- 

 li'al margins nearly ciiiitinndus. I*,l;ick. feebly shining, clothed with short, 

 dark bro^^^^ hairs; antennre piceous, the apex and base paler. Thorax less 

 than twice as wide ;is long; hind angles obtuse, surface finely and densely 



