14 Proceedings of the Biological Society of Washington. 



Polyporus tsugae Murrill. 



Boletotherus bifurcus Fab. 

 Diaperis maculata Oliv. 

 Mycetophagns flexuosus Say. 

 Tinea cloacella Haw. (Lep.). 

 Leia bivittata Say (Dip.). 



Polyporus graveolens Schw. 



Colastus truncattis Rand. 



Polyporus hispidus Bull. 



Orchesia castanea Mels. 



Polyporus gilvus Schw. 



Scaphisoma repanda Csy. 

 Eucrada humeralis Mels. 

 Endecatomus rugosus Rand. 

 Brachycis brevicollis Csy. 

 Ceracis sallei Mell. 

 Sulcacis lengi Dury. 

 Ennearthron thoracicorne Ziegl. 

 Tenebrioides corticalis Melsh. 

 Platydema ellipticum Fab. 

 Ischyrus 4-punctatus Oliv. 



Polyporus cuticularis Bull. 



Megalodacne ulkei Crotch. 

 Rhipidandrus paradoxus Beauv. 

 Epuraea ovata Horn. 

 Ips quadriguttatus Oliv. 



Fomes pinicola Swen. 



Cis cylindrica Dury. 

 Aradus similis Say (Hemip.). 



Fomes bakeri Murrill. 



Brachycis brevicollis Csy. 



Fomes fomentarius L. 



Dorcatoma dresdensis Hbst. 



Fomes igniarius L. 



Brachycis brevicollis Csy. 



Ceracis sallei Mell. 



Tinea cloacella Haw. (Lep.). 



Fomes lobatus Schw. 



Ceracis sallei Mell. 



Fomes applanatus Persoon. 



Hemiptychus nigritulus Lee. 

 Xestocis levettei Csy. 

 Boletotherus bifurcus Fab. 



