The Hessian fly Cecidomyia destructor in Great Britain : being observations and illustrations from life : with means of prevention and remedy from the report of the Department of Agriculture, U.S.A. ....
London, Simpkin, Marshall & Co, 1886
1886
U.S. Department of Agriculture, National Agricultural Library
U.S. Department of Agriculture, National Agricultural Library
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Public domain. The BHL considers that this work is no longer under copyright protection.