Cornell greenhouse pest management resources:

• Cornell Guide for the Integrated Management of Greenhouse Floral Crops
• Integrated Pest Management for Bedding Plants
• Pest Management Guide for Production and Maintenance of Herbaceous Perennials

• Greenhouse Insect Pest factsheets
• Ball Identification Guide to Greenhouse Pests and Beneficials - A valuable resource with over 480 color photos to help identify insect pests and their natural enemies.
• Beneficial Insects in the Greenhouse
• Identifying Insects on Yellow Sticky Cards
• Sampling Plan for Whiteflies on Poinsettias [32K .pdf factsheet]
• A Grower's Guide to Using Biological Control for Silverleaf Whitefly on Poinsettias in the Northeast United States - A University of Massachusetts Extension publication prepared by Drs. Mark Hoddle, Roy Van Driesche, and John Sanderson.
• Suggestions for Managing Insecticide Resistance in the Greenhouse - A paper by John Sanderson that addresses managing insecticide resistance and includes a 'Mode of Action' table for insecticides and miticides used in the greenhouse.
• Gallery of Greenhouse Pests and Diseases

Diseases:

• Disease factsheets
• Diseases of specific crops
• Gallery of Greenhouse Pests and Diseases

Physiological disorders:

• Diagnostic Labs - Pest and Disease Identification, Soil Testing, Plant Tissue Analysis, Water & Fertilizer Monitoring

Links - some of the following links are to resources that could be helpful in learning more about insects or how to control them

• Labels/MSDSs
• Insectaries/Beneficials
• Cornell's Department of Entomology Extension Program