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. To search for one of these subgroups, use the "family" dropdown on one of the search subpages. You can search by Field or Keywords, and may also restrict your search to Genetic Samples, Primary Type Specimens, Species Inventory, Specimen Inventory, records with images, records with geo-referenced localities, or Illustrations.