Willis Grant Johnson

1866 – 1908

• Fumigation methods
• Fumigation methods
• An account of the destructive green pea louse, and suggestions for its destruction
• Descriptions of five new species of scale insects, with notes
• Report on the San Jose scale in Maryland, and remedies for its suppression and control
• Special circular on the destructive green pea louse
• Special instructions for destroying leafeating insects with Paris green