Alberta Lepidopterists' Guild
Non-profit society of amateur and professional lepidopterists that supports the study and appreciation of Lepidoptera in Alberta, Canada.
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.
Bulgarian Lepidopterist Group
Virtual society promoting research on the Bulgarian Lepidoptera.
Caterpillars
Images and information on the biology of caterpillars of La Selva, Costa Rica and Ecuador.
Dallas County Lepidopterists' Society
Based in Dallas, Texas. Newsletter, butterfly and moth checklists with photos, resources, and hotspots.
Hong Kong Lepidopterists' Society
Events, butterflies and moths of Hong Kong, information about the group, and links to other Asian Lepidoptera websites.
Israeli Lepidopterists Society
Information on butterflies and hawkmoths of Israel.
Journal of Research on the Lepidoptera
Irregularly published international journal of the Lepidoptera Research Foundation. Includes full contents in pdf format of all issues from 1962-2000 and instructions to authors.
Lepidoptera Listserver
From Yale Peabody Museum comes this service to facilitate communication among people sharing an interest in butterflies and moths.
Lepidopterists' Society
This is an international society devoted to the study and appreciation of butterflies and moths.
Lepidopterological Society of Denmark
News, articles, protected species, and links.
Lepidopterological Society of Finland
Contact information, Baptria, library catalogue, and Gelechiidae-moths of Finland.
Lepidopterological Society of Japan
Information about the club and its activities. In Japanese and English.
Lepidopterology.com
Butterfly and moth news, glossary, directory, virtual museum, and almanac.
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.
Parisian Lepidopterists
Promotes research in the field of Lepidoptera, organise meetings, excursions.
Phil Schappert
Research on the evolution and ecology of butterfly/host plant interactions. Includes section on News of the Lepidopterists' Society with tables of contents and sample articles.
SA Leps Online
Butterfly directory, Pieridological almanac, and Balkan butterflies.
Sicilian Lepidopterological Association
Deals with order Lepidoptera, in all aspects.
Societas Europaea Lepidopterologica (SEL)
The European Society for the study of moths and butterflies and for the conservation of these insects and their natural habitats.
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.
Study Group of Hessian Lepidopterologists
Arge HeLep; faunistics and Red Data List of the Lepidoptera for the State of Hesse, Germany. In German and English.
The International Lepidoptera Survey - The Taxonom
An organization devoted to discovering and describing new species and forms of butterflies and moths. Includes sample issues of The Taxonomic Report, an extensive photo gallery of type specimens, and lists of scientific and common names of the US and Canada.
TILS-leps-talk
E-mail group for discussion of all topics related to Lepidoptera. Sponsored by The International Lepidoptera Survey (TILS).
Utah Lepidopterists' Society
Meetings, articles, butterfly checklists, and links.