14 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 82 



1905. Hopkins, A. 0.(34). 



The author examined one specimen from Chaleo and another from 

 Michocan, Mexico, and suggested that Blandford's Gnathotrichus 

 conscntaneus is identical with sidcatiis Lee. 



1905. CURRIE, R. P. (32). 



Copy of Hopkins, A. D. Fir is replaced by lowland fir. 



1907. Fall, H. C, and Cockerell, T. D. A. (36). 



Gnathotrichus sulcatus (Hopkins MS.). Beulah (Skinner). 



1909. SWAINE, T. M.(4o). 

 References to literature only. 



191 o. Hagedorn, M.(42). 

 References only. 



1914. Svvaine, J. M.(47). 

 See retusus Lee. 



1918. Swaine, J. M.(49). 



No new data concerning the description and the biology. Host 

 trees : Grand fir, western hemlock, Douglas fir, western white 

 pine. Distribution : Generally distributed throughout southern 

 British Columbia, extending southwards. In sap-wood and heart- 

 wood of dying and recently killed trees, and more rarely in those 

 apparently sound. 



1922. Hopping, R.(5i). 

 According to the author Gn. sulcatus breeds in the following host 

 trees : Pinus uionticola Dougl., Abies concolor Parry, Abies mag- 

 iiifica Murr., Abies grandis Lindl., Pseudotsuga taxifolia Britt., 

 and Tsuga heterophylla Raf. 



Synonyma 



A. Gnathotrichus mate^'-iarius Fitch 



Toiiiicus viatcriarius Fitch (Fitch, Schwartz, 1890, Packard, 1890). 

 Gryptiirgus materiarius Fitch (Zimmerman, Packard, 1869). 

 Gnathotrichus corthyloidcs Eichh. 



Pityophthorus materiarius Fitch (Leconte, Packard, 1881). 

 Gryphalus materiarius Fitch (Provancher). 



B. Gnathotriclins retusus Lee. 



Gryphalus retusus Leconte, 1868. 

 Pityophthorus retusus Lee. (Leconte, 1876). 



