THK SILKEN PITNGl'S BEETLES. 5l7 



Throughout the State; frequent. January 24-Oetober 21. Oc- 

 curs iu fungi. 



1098 (3375). C'RYPTOPHAGUs NODASGULus Zimui., Trans. Amer. Ent. Soc, 

 II, 1S60, 257. 



Elongate-oblong. Dark reddish-brown, strongly shining. Antenna reach- 

 ing base of thorax, the club less stout than in fungicoJa. Thorax finely, 

 equally and rather ikisely punctured. Elytra more coarsely punctate. 

 Length 2 mm. 



ilarion County ; rare. April 7. 



IX. HENOTicrs Thorn. 1870. (Gr., "in unity.") 



Resembles Crijptophagus very closely, but is distinguished by the 

 thorax having the edges finely toothed and without thickened apical 

 space at front angles, and by the front above the base of antennte 

 being finely margined. One of the two knoAvn species occui's in 

 Indiana. 



1090 iSZGS). IlKNOTicrs sereatus Gyll., Insect. Suec, 1827. 



Oblong, subconvex. Dark reddish-ljrown to blackish, sparsely pubes- 

 cent with yellowish hairs, the legs and antenn;o paler. Thorax transverse, 

 deeply and rather closely punctured, the sides nearly parallel, the edges 

 with eight to ten fine teeth. Elytra distinctly wider than thorax, obtusely 

 rounded behind, sparsely and C(jarsely punctured. Length 1.7-2 mm. 



]\Iarion and Posey counties; scarce. April 2-3~^Iay 11. Occurs 

 in dry fungi about the stumps of oak. 



X. Ptbryngium Reitt. 18S7. (Gr., "wing -f little.") 



The species of this genus are readily recognized by the rather 

 narrow, strongly depressed, finely pubescent body. The basal seg- 

 ment of the abdomen is as long as the next three combined. Of the 

 two species known, one occurs in Indiana. 



1100 ( ). Pteetngium iiALACi'M Casey, Journ. X. Y. Ent. Soc, VIII, 



1900, 102. 

 Dblong, parallel, depressed. Pale reddish-yellow, shining. Antennre as 

 long as head and thorax, rather slender. Thorax one-third wider than 

 long, finely and closely punctured ; sides distinctly curved, hind angles 

 rounded. Elytra scarcely wider than thorax and about three times as 

 long, finely and sparsely punctured; pubescence scarcely evident. Length 

 1.7 mm. 



Vigo County ; rare. Febriiary 10. One specimen taken from 

 beneath a log in upland sandy woods. 



