1-24 of 114 Books

White-pine blister-rust control
By United States. Bureau of Entomology and Plant Quarantine

Control of wireworms on irrigated land in the Pacific northwest
By United States. Bureau of Entomology and Plant Quarantine

Diseases and pests of ornamental plants
By Pascal Pompey Pirone

A contribution to a bibliography of the described immature stages of North American Coleoptera
By Joseph Sanford Wade

Sequential sampling of Douglas-fir tussock moth populations
By Richard R. Mason

Trap Responses Of Flying Insects
By R.C. MUIRHEAD-THOMSON

Report of European corn-borer control compaign by the United States Department of agriculture...March 14, 1927 to October 31, 1927, inclusive
By United States. Department of Agriculture. National Agricultural Library.

Supplemental estimates of appropriations for preventing the spread of the European corn borer
By United States. Department of Agriculture. National Agricultural Library.

The serphoid and chalcidoid parasites of the hessian fly
By A. B. Gahan

Proceedings of the summer Institute on Biological Control of Plant Insects and Diseases
By Mississippi State University Staff

Red turpentine beetles in partially cut stands of ponderosa pine
By J. M. Schmid

Distribution of plant disease projects ... 1934
By United States. Office of Experiment Stations

Agromyzidae (Diptera) Plant Pests
By Owen Lonsdale,Sean T. Murphy,Sonja J Scheffer

Summarized report of the extension conference on the control of the European corn borer, Toledo, Ohio, July 20 and 21, 1927
By United States. Office of Cooperative Extension Work

Summary of recommendations for the production of cotton under boll weevil conditions
By United States. Department of Agriculture. Cotton Council

Progress report of experiments on the control of cabbage worms
By United States. Bureau of Entomology

Recommendations for the control of insects attacking certain vegetables, small fruits, and tobacco, and the elimination of harmful insecticidal residues from the market product
By W. H. White

Treatment of tulips, hyacinths, and certain other known hosts of the bulb nematode not to be required
By United States. Bureau of Entomology and Plant Quarantine

Recommendations for the control of insects attacking certain vegetables, small fruits, and tobacco, and the elimination of harmful insecticidal residues from the market product
By United States. Bureau of Entomology and Plant Quarantine

The prevention of infestations of insects and other pests in commercial mushroom houses
By United States. Bureau of Entomology and Plant Quarantine

The European spruce sawfly
By United States. Bureau of Entomology and Plant Quarantine

The Mexican mealybug on greenhouse chrysanthemums
By United States. Bureau of Entomology and Plant Quarantine. Division of Truck Crop and Garden Insects

A Ponderosa pine tree classification for use in determining susceptibility to barkbeetle attack
By United States. Bureau of Entomology and Plant Quarantine. Forest Insect Investigations