The Southern Corn Rootworm, Or Budworm

The Grasshopper Problem and Alfalfa Culture

Research Bulletin: Issue 106

The Western Corn Rootworm

Alfalfa Attacked by the Clover Root Circulio

The San José Scale

The Alfalfa Gall Midge: (Asphondylia Miki Wachtl.)

The Joint-worm: (Isosoma Tritici Fitch.)

The Joint-worm (Isosoma Tritici Fitch.)

The San José Scale (Aspidiotus Perniciosus Comstock.)

The Grasshopper Problem and Alfalfa Culture

The San José Scale Problem in Ohio in 1898

The Spring Grain-aphis: (Toxoptera Graminum Rond.)

Research Bulletin: Issue 81

The Chinch Bug

The Spring Grain-aphis Or So-called "green Bug.": (Toxoptera Graminum Rond.)

The Spring Grain Aphis Or "green Bug" in the Southwest and the Possibilities of an Outbreak in 1916: Volumes 46-85

Preliminary Report on the Alfalfa Weevil

The Hessian Fly

The Chinch Bug: Its Probable Origin and Diffusion, Its Habits and Development, Natural Checks and Remedial and Preventive Measures, with Mention of the Habits of an Allied European Species