Technical papers on miscellaneous forest insects. I. Contributions toward a monograph of the bark-weevils of the genus Pissodes.
United States. Dept. of Agriculture. Bureau of Entomology. Technical series ; no. 20, pt. 1.
United States. Dept. of Agriculture. Bureau of Entomology. Technical series, no. 20, pt. 1
Hopkins, A. D. (Andrew Delmar), 1857-1948
Washington :Govt. Print. Off.,1911.
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