Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Genus Thelia

Bug-Net: The Online Insect Identification Resource

Entomological Society of Canada

Royal Entomological Society

Entomological Society of America

Smithsonian Department of Systematic Biology: Entomology


Texas A&M University: Insect Identification
Includes a Field Guide to Common Insects and an image database.

ITP advanced taxonomic training videos
Links to a series of videos focused mainly on microscopic identification of specimens of plant-feeding arthropods (and potential pest species), including sections on mites, thrips, aphids, whiteflies, mealybugs, stink bugs, scale insects, leafhoppers/planthoppers, and some moths/caterpillars.

There are also other ID tools and videos that can be searched for here: