Lepidopterology

Study Group of Hessian Lepidopterologists - German volunteer cooperation supported by the International Entomological Society. Membership data and images.
http://www.arge-helep.de/English-Abstract.html

Caterpillars - Images and information on the biology of caterpillars in the Costa Rican and Ecuadorian regions.
http://www.tulane.edu/~ldyer/lsacat/

Lepidopterological Society of Finland - Offers contact data, library catalog and abstracts of their journal, Baptria. Based in Helsinki.
http://www.perhostutkijainseura.fi/english.html

Sicilian Lepidopterological Association - Deals with order Lepidoptera, in all aspects including news, articles, images and related events.
http://web.tiscali.it/ales_sicilia/indexeng.htm

International Lepidoptera Survey - Organization devoted to discovering and describing new species. Includes images and lists of scientific and common names.
http://www.tils-ttr.org/

Israeli Lepidopterists Society - Data on butterflies and hawkmoths found within the region as well as a searchable database and photographs.
http://www.geocities.com/RainForest/1153/

Association for Tropical Lepidoptera - Membership information, species data sheets, catalogs and related links.
http://www.troplep.org/

Ohio Lepidopterists - Features a long-term butterfly monitoring project, checklist of local butterflies, publications, programs and sales.
http://www.ohiolepidopterists.org/

Southern Lepidopterists' Society - Promotes species knowledge in the southern United States. Offers news, events and identifications. Based in Florida.
http://www.southernlepsoc.org/

Societas Europaea Lepidopterologica - European society for the study and conservation of moths and butterflies. Features council data, projects and links.
http://www.soceurlep.org/

Alberta Lepidopterists' Guild - Amateur and professional lepidopterists that support the study and appreciation of the species in Alberta, Canada.
http://www.biology.ualberta.ca/old_site/uasm/alg/

Lepidopterological Society of Japan - Information about the club and its activities. Viewable in both Japanese and English.
http://lepi-jp.org/

Lepidopterological Society of Denmark - Showcases news, articles, observations, protected species list and links. Located in Copenhagen.
http://www.lepidoptera.dk/

Hong Kong Lepidopterists' Society - Events, regional butterflies and moths, data about the group and links to related websites.
http://www.hkls.org/

Lepidopterology.com - Butterfly and moth news, glossary, directory, electronic museum, and almanac.
http://www.lepidopterology.com/

Rio Grande Valley Butterfly and Lepidoptera Links - Directory that offers websites concerning butterflies in the southern Texas area.
http://www.thedauphins.net/butterflylinks.html

Utah Lepidopterists' Society - Showcases meeting schedule, articles, checklists, bulletin board, species data for kids and links.
http://www.utahlepsociety.org/

All-Leps: Barcode of Life - An effort that employs DNA barcoding to advance the identification and discovery of Lepidoptera.
http://www.lepbarcoding.org/

Lepidopterists' Society - An international society devoted to the study and appreciation of butterflies and moths. Membership data, publications, and identification aids.
http://facweb.furman.edu/~snyderjohn/lepsoc/

Journal of Research on the Lepidoptera - Irregularly published journal of the Lepidoptera Research Foundation. Includes archived issues from 1962-2000.
http://www.doylegroup.harvard.edu/~carlo/JRL/jrl.html

Dallas County Lepidopterists' Society - Newsletter, checklists with images, resources and hotspots. Based in Dallas, Texas.
http://www.dallasbutterflies.com/

TILS Leps Talk - E-mail discussion group that covers of all species related topics. Sponsored by the International Lepidoptera Survey. Offers images and links.
http://groups.yahoo.com/group/TILS-leps-talk/

Lepidoptera Listserver - Service for facilitating communication among those sharing an interest in the species. Based at Yale University in New Haven, Connecticut.
http://www.peabody.yale.edu/collections/ent/ent_LEPS.html