SPECIAL COLLECTIONS OF THE NATIONAL AGRICULTURAL LIBRARY

Plant Pests and Diseases

These color images of plant pests and diseases were part of the National Agricultural Library's Photo Image Project in cooperation with the University of Pittsburgh School of Library and Information Science and Michigan State University Cooperative Extension Service (MSU). MSU supplied the images. They are shown here as 8-bit color gif and as 24-bit color JPEG compressed images.

	Black Knot: Dibotryon Morbosum Dothideaceae Black Knot Galls on Plum Stems	Full Color JPEG
	Black Spot: Diplocarpon Rosae Dermateaceae Black Spot on Rose, Late Infection, Leaf Drop Occurs	No JPEG
	Crimson Erinium Mite: Eriophyes Elongatus Crimson Erinium Mite on Silver Maple	Full Color JPEG
	Mountain Ash Sawfly: Pristiphora Geniculata Close Up of Mountain Ash Sawfly on Mountain Ash	No JPEG
	Tomato Hornworm: Manduca Quinquemaculata Sphingidae Parasitized Tomato Hornworm	Full Color JPEG

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March 19, 1999

The National Agricultural Library Special Collections 10301 Baltimore Avenue Beltsville, MD 20705 301-504-5876 speccoll@nal.usda.gov