insects injurious and beneficial

The Gardener's Bug Book.

1946

Insect Pests and How to Beat Them, Including Notes on Plant Diseases, Soils and Manures.

1919

Entomophagous insects.

1940

A Manual of Injurious Insects with Methods of Prevention and Remedy for Their Attacks to Food Crops, Forest Trees, and Fruit

1881

General and Applied Entomology.

1963

An Essay on Insects Injurious to Vegetation and How to Get Rid of Them

1883

Leaf-mining insects

1928

Bug vs. bug

1906

Our Insect Friends and Enemies

1909

The Economic Status of Insects as a Class.

1899

Some Problems in Greenhouse Inspection Work in Indiana

1921

Biennial report

1914

Report on the Injurious Insects and Other Animals Observed in the Midland Counties During 1904-07

1905

Study in Humbugology

1920