Lepidoptera Listserver - From Yale Peabody Museum comes this service to facilitate communication among people sharing an interest in butterflies and moths.

Online Lepidopterists' Who's Who - Phil Schappert's database of Lepidopterists, to facilitate communication among Lepidopterists.

Ohio Lepidopterists - Promotes interest in the butterflies and moths of Ohio and neighboring states. Long-term butterfly monitoring project, checklist of Ohio's butterflies, publications, programs, and sales.

Dallas County Lepidopterists' Society - Based in Dallas, Texas. Newsletter, butterfly and moth checklists with photos, resources, and hotspots.

Journal of Research on the Lepidoptera - Irregularly published international journal of the Lepidoptera Research Foundation. Tables of contents and instructions to authors.

Utah Lepidopterists' Society - Meetings, articles, butterfly checklists, and links.

Southern Lepidopterists' Society - Promotes scientific interest and knowledge of the butterfly and moth fauna in the southern United States. Includes state reports, news, events, and help identifying unknowns.

Stanislav P Abadjiev's Publications - List of publications by Bulgarian lepidopterist Stanislav P Abadjiev.

Association for Tropical Lepidoptera - Non-profit scientific society and educational membership organization, founded to promote the study and conservation of Lepidoptera worldwide, especially in the tropical regions of the world.

Lepidopterological Society of Denmark - News, articles, protected species, and links.

Israeli Lepidopterists Society - Information on butterflies and hawkmoths of Israel.

Lepidopterological Society of Finland - Contact information.

International Lepidoptera Survey - An organisation devoted to discovering and describing new species and forms of butterflies and moths, which are excellently illustrated on the site.

Hong Kong Lepidopterists' Society - Events, butterflies and moths of Hong Kong, information about the group, and links to other Asian Lepidoptera websites.