By Hatch, M. University of Washington publications in biology, Volume 16. University of Washington Press, Seattle, Washington, 1953 Cite: 17034
[1953-1971] Covers the Beetles known to occur in British Columbia, Washington, Idaho, and Oregon. Part I provides an introduction and covers the Suborder Adephaga. Part II covers the Suborder Staphyliniformia. Part III covers the Family Pselaphidae of the Staphyliniformia, and part of the Suborder Diversicornia. Part IV covers the Palpicornes and Heteromera. Part V covers the Phytophaga, Rhynchophora, and Lamellicornes
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