
L. O. (Leland Ossian) Howard
Leland Ossian Howard was a pioneer American entomologist who worked in the US Department of Agriculture. Serving as the chief of the bureau of entomology, a successor to C.V. Riley, he helped establish economic entomology as a profession in the United States and strengthened research activities, helping establish laws to prevent the introduction of agricultural pests. He was a specialist on the parasitic wasp family Chalcididae, and contributed to the introduction of biological control agents for pest management. Howard also took an interest in medical entomology.

The House Fly and How to Suppress It
Discover how a tiny insect can cause big problems, and learn how to fight back against the spread of disease through smart cleaning and simple traps.
By L. O. (Leland Ossian) Howard

House Flies
Discover how a seemingly insignificant insect poses a major public health threat and how simple actions can stop the spread of deadly disease.
By L. O. (Leland Ossian) Howard