Flat Mites of the World
Flat Mites of the World provides a portal to a variety of keys, images, and fact sheets to help support identification of this diverse, potentially destructive group of mites.
U.S. National Insect Collection Database
This subset of the U.S. National Insects Collection, which is primarly housed by the Smithsonian Institution's National Museum of Natural History, comprises the Coccomorpha (scale insects), Aphidomorpha (aphids), Alyrodomorpha (whiteflies), Psyllomorpha (psyllids), Thysanoptera (thrips), and Acari (mites) collections. Information about the Aphidomorpha (Aphididae, Adelgidae, and Phylloxeridae) samples is available through this database.