The Smithsonian's Department of Entomology database library offers 25 databases and bibliographies related to insects and entomology, collectively containing many thousands of records. The main page lists the databases available and describes most of them. The number of records indexed and available search options vary for each database or bibliography. Additional information on the Department of...

As one of the most distinguished science institutions in the United States, the Field Museum in Chicago has over 4.1 million preserved insects in its collection. It is the fifth largest collection in North America and it also includes 8.3 million specimens preserved in alcohol or on microscopic slides. On this site, visitors can search these vast holdings, which are divided into six separate...

The Pherobase was developed by Dr. Ashraf El-Sayed, a research scientist at HortResearch in New Zealand, with the primary objective of providing "coverage of the literature published on chemical communication in insects." The Pherobase is intended for use by both scientific and non-scientific communities and currently contains "over 10000 entries, around 3000 molecules, and over 32000 static html...