October 10, 2019
The Asian citrus psyllid (Diaphorina citri), also called the Asiatic citrus psyllid or ACP, is a notorious pest that prefers citrus and closely related plants for hosts, particularly species within the genera Citrus, Citropsis, and [...]
June 28, 2019
Summer is officially here! For plant protection professionals, farmers, gardeners, and others dealing with plants, that often means watching for signs of plant pests, diseases, and weeds. Once a problem is spotted [...]
May 31, 2019
ITP has added over 1,200 new IDaids to the collection since October 2018, when ITP’s Search IDaids site was first released, enabling us to reach a significant milestone: over 5,000 IDaids! Many of the new IDaids are individual fact sheets from ITP's own tools, enhancing [...]
April 26, 2019
Spring has sprung! The weather is warming, which motivates people to make that move to a new place or to take a vacation. But these seemingly harmless activities might actually indirectly harm our environment [...]
March 29, 2019
A new resource, “Key to Commonly Intercepted Armored Scales,” has been released. The key covers 156 scale insects from the tribe Aspidiotini in the family Diaspididae (Hemiptera), also known as armored scales. The key’s many illustrated features enhance the identification process, and [...]
March 25, 2019
PPQ's mission is to safeguard U.S. agriculture and natural resources against the entry, establishment, and spread of economically and environmentally significant pests, and facilitate the safe trade of [...]
February 21, 2019
ITP is pleased to announce the release of seven new screening aids for important Coleoptera and Lepidoptera pests. These were designed specifically to be used when examining traps or through visual [...]
December 20, 2018
Seed Identification Guide (SIG), is a newly released guide to the morphology of weed seeds of importance to Canada, available in both French and English. SIG features an illustrated interactive Lucid key [...]
December 11, 2018
On October 19, 2018, USDA officially announced the eradication of pink bollworm (Pectinophora gossypiella), a devastating pest of cotton crops that first invaded the U.S. over 100 years ago. The first two infestations, Texas in 1917 and Louisiana in 1919, were quickly eliminated. In the 1930s, the pest again invaded the Rio Grande Valley, but this time it proved [...]