73 



21. The Sitka Spruce Tomicus. 

 Tomicus concinnus Mann. 



Excavates irregular central chamber.s, and three or four short curved galleries, in 

 partly living bark of injured, dying, and recently felled Monterey pine, shore pine, 

 and Sitka spruce. Coast region, middle California to Alaska. 



Exhibit: Adult and work. 



22. The Oregon Tomicus. 



Tomicits oregoni Eichh. 



Excavates two or three longitudinal galleries from a small central chamber in the 

 bark of living, injured, dying, and recently felled western yellow [)ine, lodgepole 

 pine, silver pine, and prol)al)ly other pines in the Northwest. Destructive to the 

 western yellow pine in western Idaho. 



Exhibit: Adult and work. 



23. The Western Five-Spined Tomicus. 



Toiiiicas confusus Lee. 



Excavates one to three long longitudinal galleries from a medium-sized central 

 chamber in the living bark of injured, dying, and recently felled western yellow pine. 

 Mount Shasta, California, and Grants Pass, Oregon; also recorded from southern 

 California and Arizona. 



Exhibit: Adult and work. 



CASE 4. 



24. The Silver Pine Tomicus. 



Tomicus n. sp. 



p]xcavates very long, straight, longitudinal, and transverse curved galleries from a 

 large central chamber in the bark of living, injured, dying, and recently felled moun- 

 tain or silver pine and sugar pine. Grants Pass, Oregon, and Kootenai, Idaho. 

 Common and evidently a destructive species. 



Exhibit: Adult and work. 



25. The Four-Spined Tomicus. 



Toiiticiis integer Eichh. 



Excavates several Icjngitudinal primary galleries from a large central chamber in 

 living bark of western yellow i)ine and lodgej^ole pine. Eastern Washington; also 

 recorded from California, Washington, and Colorado. 



Exhibit: Adult and work. 



CASE 5. 



26. The Sug-ar Pine Wood-Engraver. 



Carplioborus n. sp. 



I^xcavates several long, curved, longitudinal galleries in the surface of the wood 

 from a deep central chamber in injured or dying sugar pine, western yellow pine, 

 Douglas spruce, and Sitka spruce. Grants Pass, St. Helen, and Ahlers, Oregon; 

 also middle California. 



Exhibit: Adult and work. 



27. The Western Cedar Bark-Beetle. 



PJild'oshins puiictatus Lee. 



Excavates a single straight longitudinal or curved subtransverse gallery from a 

 l)asal chamber in the living bark and surface of wood of injured, dying, and recently 

 felled giant arborvitte, incense cedar, and Port Orford cedar. Caliifornia to northern 

 and eastern Washington and Rocky Mountain region. Common. 



Exhibit: Adult and work. 



28. The Sitka Spruce Dolurgus. 



Tmliirgns jrurnills JNIann. 



Excavates irregular, confused galleries in dying and dead bark of dead and felled 

 Sitka spruce. Southern and (central Oregon. 

 Exhibit: Adult and work. 



