Citrus Resource, a commodity-based identification resource, was created to provide growers, the industry, and those associated with citrus pest and disease detection an easily accessible site to assist with their identification needs. This type of resource was originally conceived to support commodity-based surveys conducted by the Cooperative Agricultural Pest Survey (CAPS). CAPS is a combined effort by Federal and State agricultural organizations to conduct surveillance, detection, and monitoring of agricultural pests and diseases. This commodity-based resource includes three stand-alone tools to support citrus commodity surveys: one for insect pests (Citrus Pests), a symptom-based tool for diseases (Citrus Diseases), and one for the host material (Citrus ID). Each tool includes an interactive matrix-based key, fact sheets, an image gallery, and other pages designed with the user in mind.