Acknowledgements - Filth Fly Pests

Reproduction of the hornfly, stable fly, and house fly color figures is from "Greenberg, B. Flies and Disease. Vol. 1. Ecology, Classification and Biotic Associations." Copyright © 1971 by Princeton University Press, and is included here by permission of Princeton University Press [http://pup.princeton.edu/], 41 William Street, Princeton, New Jersey, 08540-5237, USA.

Reproduction of the face fly color figure is included here with permission of Orkin Agribusiness Services, 2702 International Lane, Suite 202, Madison, WI 53791-8271, USA.