@book{bhlitem49621, title = {Circular }, volume = {no.87 (1907:Apr.)}, copyright = {Public domain. The BHL considers that this work is no longer under copyright protection.}, url = {https://www.biodiversitylibrary.org/item/49621}, note = {https://www.biodiversitylibrary.org/bibliography/12435}, publisher = {Washington, D.C, The Bureau, 1904-1913}, author = {United States. Bureau of Entomology.}, year = {1907}, pages = {18}, keywords = {Insect pests|United States|}, }