» British Butterflies    Photographs and descriptions of British butterflies by Steven Cheshire.    http://www.britishbutterflies.co.uk/

» British Butterfly Conservation Society    Dedicated to saving wild butterflies, moths and their habitats throughout the UK.    http://www.butterfly-conservation.org/

» Butterflies in Europe    Photos, trip reports, and links.    http://members.lycos.nl/notebaert/

» Butterflies of Catalonia    Species list and flight charts. Includes sections on butterflies of Andorra and wasps of Catalonia.    http://www.papallones.net/papallones/

» Butterflies of Gloucestershire    A guide to the butterflies of Gloucestershire, UK, with photographs, distribution maps, and conservation status for each species.    http://members.aol.com/bcglos/bflyglos.html

» Butterflies of Ireland    Guide to the butterflies of Ireland, with photographs of most species and a guide to indoor tropical butterfly houses.    http://www.irishbutterflies.com/

» Butterflies of Northamptonshire    Annotated list of 37 species, with photos of most.    http://www.northamptonshirewildlife.co.uk/wildlife/butterflies.htm

» Butterflies of the Monts du Lyonnais    Information about species flying on the hillsides of the Rhône département, France.    http://pagesperso-orange.fr/felixthecatalog.tim/

» Butterflies of the Netherlands    Checklist and photographs by Christine Corver.    http://www.leps.nl/Checklist_butterflies.php

» Butterfly Conservation - Kent Branch    Includes photos, first sightings, newsletters, information about White Hill Reserve, events and contact information. Located in the UK.    http://www.kentbutterflies.freeserve.co.uk

» Butterfly Ireland    Photographs of Ireland's butterflies, with many photographs of eggs, pupae, and larvae. Also includes flight charts, distribution maps, sightings, and links.    http://www.butterflyireland.com/

» Captain's European Butterfly Guide    Photographic guide to the butterfly species of Europe.    http://www.butterfly-guide.co.uk/

» Derbyshire Butterflies    Photos of butterflies in Derbyshire, UK by Mark Nowak.    http://www.marknowak.co.uk/

» Dutch Butterfly Conservation    A Dutch non-profit organization which works for the conservation of wild butterflies and their habitats.    http://www.vlinderstichting.nl/category.asp?catID=14

» European Butterflies by Mario Maier    Photos and descriptions of many species. In German and English.    http://www.geocities.com/europeanbutterflies/indexUS.htm

» Garden Safari: Butterflies    Photographs and notes on common butterflies in a garden in the Netherlands.    http://www.gardensafari.net/english/butterflies.htm

» Guy Padfield's European Butterflies    Pictures of over 150 European species of butterfly, with butterfly diary, schools' page, and links.    http://www.guypadfield.com/

» ImagineButterflies.dk    Photo gallery of butterflies from various parts of Europe by Jakob Arnholtz.    http://imaginebutterflies.dk/

» LepsEurope    E-mail group for discussion of butterflies and moths in Europe.    http://groups.yahoo.com/group/LepsEurope/

» Matt's European Butterflies    Features photos of many rare and unusual European butterflies. Personal observations and comments on all species are included.    http://www.eurobutterflies.com

» Moths and Butterflies of Europe    A large photo gallery of European moths and butterflies, including larvae and pupae.    http://www.leps.it/

» Pictures of Dutch Butterflies    Small photo gallery of butterflies in the Netherlands.    http://www.xs4all.nl/~kite/digiscopics/butterflies/

» Sarah Walters - Butterflies    Photographs of British butterflies.    http://www.docsarah.demon.co.uk/butterflies.htm

» UK Butterflies    Photographs, food plants, and flight charts of all species regularly found in the United Kingdom.    http://www.ukbutterflies.co.uk/

» Upper Thames Branch of Butterfly Conservation    Serves Bucks, Berks, and Oxfordshire, England. News, field trips, sightings, photographs, and flight data.    http://www.upperthamesbutterflies.co.uk/

» Yorkshire Butterfly Conservation    Field trips, flight times, photographs, and other resources.    http://www.yorkshirebutterflies.org.uk/