Control of Apple Tree Borers United States. Bureau of Entomology and Plant Quarantine Published: 1942 Total Pages: Get eBook
Roundheaded Apple-Tree Borer United States. Department of Agriculture Published: 1921 Total Pages: Get eBook
Control of the Round-Headed Apple-Tree Borer Arkansas Agricultural Experiment Station Published: 1918 Total Pages: Get eBook
Control of Roundheaded Apple Tree Borer Stewart Curtis Chandler Published: 1942 Total Pages: 16 Get eBook