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 

 conscntaneiis is identical with sulcatiis 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 sulcattis (Hopkins MS.). Beulah (Skinner). 



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

 References to literature only. 



1910. Hagedorn, M.(42). 

 References only. 



I914. SWAINE, J. M.(47). 

 See rctusiis Lee. 



I918. 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. sulcatiis breeds in the following host 

 trees : Pinits monticola Dough, Abies concolor Parry, Abies mag- 

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

 and Tsuga heterophylla Raf. 



Synonyma 



A. Gnathotrichus matcriarius Fitch 



Toiiiiciis matcriarius Fitch (Fitch, Schwartz, 1890, Packard, 1890), 

 Crypturgus matcriarius Fitch (Zimmerman, Packard, 1869), 

 Gnathotrichus cortJiyloides Eichh. 



Pityophthorus matcriarius Fitch (Leconte, Packard, 1881). 

 Cryphaliis matcriarius Fitch (Provancher). 



B. Gnathotrichus retusus Lee. 



Grypluilus rcfusus Leconte, 1868. 

 Pityoplithorus retusus Lee. (Leconte, 1876). 



