Insect Keys

Arthropods

Insect Key of Commonly Found Arthropods: Use this key (PDF document) to identify a bug you've found.

Bees and Wasps

Insect Key of Bees and Wasps: Use this key (PDF document) to identify bees and wasps found in California.

Thrips

Insect Key of Thrips: Use this on-line key to identify thrips (Order Thysanoptera) associated with flower crops of North America. This is an interactive PDF file created by Cheryle O'Donnell, a Graduate Research Assistant in the Department of Entomology at UC Davis. Warning: this is a VERY LARGE file that may take several minutes to download if you have a slow internet connection.