Hopkins, A. D.

Subjects

Diseases and pests, Control, Forest insects, Insect pests, Hickories, Scale insects, Insect-plant relationships, Oak, Pine, Bark beetles, Lumber, Ornamental shrubs, Shade trees, Spruce, Wood, Wood borers, Ambrosia beetles, Black locust, Conifers, Dendroctonus, Elm, Entomology, Forest products, Kerosene, Poplar

Places

Long Island, New York (State), Northeastern States, United States, West Virginia, Black Hills National Forest (S.D. and Wyo.), Canada, Gulf States, Middle West, Northwestern States, Pacific Area, Pacific Northwest, South Atlantic States