Carolinaleps
- Subscription management and archive for the e-mail group for butterflies (and moths) in the Carolinas.
- https://lists.duke.edu/sympa/info/carolinaleps

Southeast Michigan Butterfly Association
- Group based in Westland, Michigan. Events calendar, newsletter, and sightings.
- http://www.sembabutterfly.com/

Lepidoptera Alert
- Sightings, photographs, and notes on butterflies in Michigan and elsewhere.
- http://www.lepalert.org/

Ann Kinsinger's Butterfly Garden
- Images of butterflies in Richland County, South Carolina.
- http://www.annkin.com/bfindex.html

Butterfly Enthusiasts of Southeast Texas
- NABA chapter based in Houston, Texas. Calendar of events, photo gallery, and information on gardening for butterflies.
- http://www.naba.org/chapters/nababest/

Butterfly Society of Virginia
- Includes society information, feature articles, events, kids' section, list of common butterflies and their host plants, and gardening tips.
- http://www.butterflysocietyofva.org/

Connecticut Butterfly Atlas Project
- Distribution maps for all species and species lists for all quadrangles of the state.
- http://www.yale.edu/peabody/collections/ent/ent_cbap.html

Butterflies of Calvert County, Maryland
- Photo gallery by Arlene Ripley.
- http://www.nestbox.com/sections/butterfly/checklist.htm

Floridata's Butterfly Gallery
- Images and information for 44 species found in Florida. Includes links to information on host and nectar plants.
- http://www.floridata.com/tracks/butterfly/menu_b.cfm

West Michigan Chapter of NABA
- Newsletter, photos, and field trips.
- http://www.glsga.org/wmba.htm

Claire Curry's Butterfly Photos
- Gallery of photos mostly taken in Wise County, Texas.
- http://eeclaire.com/butterfly/

Bob Behrstock - Yard Butterflies
- Images from a yard near Sierra Vista, Arizona.
- http://members.cox.net/naturewideimages/Yard_Butterflies.html

Wisconsin Butterflies
- A guide to the butterfly species of Wisconsin, including species accounts, lists by county, and links.
- http://www.wisconsinbutterflies.org/

Windows On Nature - Butterflies
- Photo gallery by John D. Ingram from the Austin, Texas area.
- http://www.windowsonnature.com/Nature_Pages/Nature_Map/Pages/Butterflies/

Washington Area Butterfly Club
- Serves northern Virginia, the District of Columbia, and Maryland. Events, field reports, articles, checklists, gardening, and links.
- http://users.sitestar.net/butterfly/

Valeps
- E-mail group for butterflies (and moths) in Virginia.
- http://groups.yahoo.com/group/valeps/

TX-Butterfly
- Archives and subscription management for the e-mail group for butterfliers in Texas.
- http://listserv.uh.edu/archives/tx-butterfly.html

Tulsa Butterfly Resources
- Field trips, Oklahoma butterfly watching locations, and links.
- http://www.tulsaaudubon.org/butterflies.htm

Texas Butterfly Festival
- Annual event held in October in Mission, Texas.
- http://www.texasbutterfly.com/

SoWestLep
- E-mail group for discussion of butterflies in southern California, southern Nevada, Arizona, Baja California, and Sonora.
- http://groups.yahoo.com/group/SoWestLep/

Southeast Arizona Butterfly Association
- Meetings, field trips, workshops, newsletter, count results, butterfly gardening, projects, checklist, and news.
- http://www.naba.org/chapters/nabasa/home.html

South Texas Butterfly Club
- Based in Mission, Texas. Events, specialties, hotspots, checklists, field notes, articles, and links.
- http://www.naba.org/chapters/nabast/

Sarasota County Butterfly Club
- NABA chapter based in Sarasota, Florida. Programs, photo gallery, brochures, events, and contacts.
- http://www.naba.org/chapters/nabasc/

Saint Louis Chapter of NABA
- Based in St. Louis, Missouri. Events, newsletter, photo gallery, checklist, and gardening tips.
- http://www.naba.org/chapters/nabasl/stlouis.htm

PA-LEPODON
- Archives and subscription management for the e-mail group for Pennsylvania butterfly and dragonfly discussion.
- http://home.ease.lsoft.com/archives/pa-lepodon.html

Orange County Chapter of NABA
- News and events, photos, and gardening.
- http://www.naba.org/chapters/nabaoc/

Ohio Butterfly Species
- Checklist, photos, and publications, with detailed species accounts (including distribution and flight periods) for 12 common species.
- http://www.ohiolepidopterists.org/bflymonitoring/species/species.htm

NYSButterflies
- E-mail discussion group for butterfliers in New York state.
- http://groups.yahoo.com/group/NYSButterflies/

Notes on the Butterflies of North Carolina
- The most detailed information available on the status and distribution of butterflies of NC, with identification tips and county dot maps for NC and SC.
- http://www.ncsparks.net/butterfly/

Northeast Ohio Chapter of NABA
- Calendar of events and information about the Chrysalis Times newsletter. [Javascript required]
- http://www.naba.org/chapters/nabano/publish/

North Jersey Butterfly Club
- Meets in Morristown. Events, butterfly sites, and links.
- http://www.naba.org/chapters/nabanj/

North Carolina Butterfly Photos
- Gallery of close-up digital photos of over 140 butterfly species, mainly taken in North Carolina.
- http://www.carolinanature.com/butterflies/

NABA - Northern Crescents Chapter
- Based in Duluth, Minnesota. Events, contacts, forum, articles, and photographs.
- http://www.naba.org/chapters/nabanc/

NABA - Choctaw Chapter
- Based in the Pensacola area, Florida. Meetings and events.
- http://www.naba.org/chapters/nabact/

Mulberry Wing
- Field notes of the New York City Butterfly Club and the North Jersey Butterfly Club.
- http://www.hmana.org/mulberry/

Mt. Magazine International Butterfly Festival
- Schedule of activities, vendor information, and photo contest information for annual event in Paris, Arkansas.
- http://www.butterflyfestival.com/

Michigan Lepidoptera Survey
- Projects, Michigan butterfly checklist, and photographs of butterflies and moths of Michigan.
- http://www.msu.edu/user/kriegelr/mls/

Massachusetts Butterfly Club
- Field trips, programs, and contact information.
- http://www.naba.org/chapters/nabambc/

LA-NABA
- Los Angeles Chapter of the North American Butterfly Association. Meeting, activities, conservation, photo gallery, gardening, lists, field reports, and hotspots.
- http://www.naba.org/chapters/nabala/

Jeff Pippen's Butterfly Page
- Photographs and information on well over 100 species from North Carolina, Florida, Texas, and elsewhere.
- http://www.duke.edu/~jspippen/butterflies.htm

Jay Cossey's Butterfly Gallery
- Photographs of butterflies in Ontario, Canada and butterfly photography tips.
- http://www.images.on.ca/JayC/

Jan Dauphin's Photos
- Gallery of images from Mission, Texas.
- http://community.webshots.com/user/jld410

Grand Prairie Butterfly Club
- Based in east-central Illinois. Field trips, butterflying basics, and other information.
- http://www.eiu.edu/~bflyclub/

Gil Quintanilla's Photos
- Large gallery of butterfly images from the lower Rio Grande valley of Texas.
- http://community.webshots.com/user/gquin

Georgia Butterflies
- Jim Flynn's site with a species list, a photo gallery sorted by county, and links.
- http://www.shrike.net/butterflies/

Florida's Butterflies
- Information on gardening for butterflies, accounts for 10 common species, state checklist, photos, and resources.
- http://www.nsis.org/butterfly/

Eugene-Springfield Chapter of NABA
- Based in Eugene-Springfield, Oregon. Meetings, count results, sightings, butterfly gardening, and list of common species.
- http://www.naba.org/chapters/nabaes/

Ed Lam's Butterflies
- High-quality images from the New York area, plus a checklist of the butterflies of Central Park.
- http://homepage.mac.com/edlam/butterfly.html

Eastern Washington Butterflies
- Photographs and information on 15 species.
- http://www.bentler.us/eastern-washington/insects/butterflies.aspx

Dorothy Pugh - Butterflies
- Photos of butterflies by family, mostly from the North Carolina Piedmont region.
- http://www.dpughphoto.com/butterflies.htm

Dave Powell's Butterfly Site
- Video capture images of North American butterflies, mainly from California and Florida.
- http://www.vireos.com/butterflies.html

Connecticut Butterfly Association
- Promotes the awareness and appreciation of butterflies and moths. Field trips, programs, checklist, species accounts, and field notes.
- http://www.ctbutterfly.org/

Common California Butterfly Species
- Images and information about host plants.
- http://www.laspilitas.com/butterflylist.htm

Carolina Butterfly Society
- Club for butterfliers in North and South Carolina. Field trips, articles, butterfly gardening, reports, checklist, and photo gallery.
- http://www.carolinabutterflysociety.org/

Butterflies of Southeastern Arizona
- Bruce Walsh's illustrated checklist.
- http://nitro.biosci.arizona.edu/zeeb/butterflies/seazlist.html

Butterflies of Santa Ana NWR
- Checklist for refuge in the lower Rio Grande Valley in Texas with abundance codes, common and scientific names, and photos.
- http://southwest.fws.gov/refuges/texas/stabuttr.html

Butterflies of North Carolina
- Randy Emmitt's site with photographs and information on over 100 species.
- http://www.rlephoto.com/butterflies/butterflies.html

Butterflies of New England
- Photos and annotated links.
- http://www.nenature.com/Butterflies.htm

Butterflies of Massachusetts
- Photos by Marj Rines.
- http://mrines.com/Butterflies/

Butterflies of Hawaii
- Photographs and brief notes on 15 species.
- http://www.asahi-net.or.jp/~ak5t-kmn/hawaii/hawaii.htm

Butterflies of Dallas County, Texas
- Annotated checklist with specimen photos, guide to area hotspots, sightings, and resources.
- http://www.dallasbutterflies.com/dallas.html

Butterflies of Coronado National Memorial
- Annotated photographic checklist of butterflies found in this park in southeast Arizona. Very high quality photos of all species.
- http://www.sasionline.org/Coronado/pages/cover/titlepage.html

Butterflies of Arkansas
- Checklist, maps, and photos from Herschel Raney's site.
- http://www.hr-rna.com/RNA/Butterfly%20main.htm

Butterflies and Their Larval Food Plants
- Photographs and detailed descriptions of the butterflies and their foodplants of Orange County, California by Peter J. Bryant and Larry Orsak of the University of California, Irvine.
- http://mamba.bio.uci.edu/~pjbryant/biodiv/bflyplnt.htm

Butterflies Along Alaska's Hiking Trails
- Photos and information about Alaskan butterflies by Mary Hopson.
- http://www.turtlepuddle.org/alaskan/ak_butterflies.html

Bill Bouton's Butterfly Photos
- Images mostly from the southwestern U.S.
- http://community.webshots.com/user/bbouton43/

Atala Chapter of NABA
- Based in Palm Beach County, Florida. Events, species list, local places to see butterflies, and Atala species account.
- http://www.naba.org/chapters/nabaac/

Ark Valley Butterfly Club
- Based in Wichita, Kansas. Newsletter, checklist, gardening, and photos.
- http://members.cox.net/jmason15/ark.htm

Andrew Spencer's Butterfly Photos
- Gallery of photos from around the USA, information on Tawny Crescent ID in Colorado.
- http://www.owlspleasure.com/butterflies.html

Adam Winer's Butterflies
- Large gallery of high-quality images, mostly from California.
- http://home.sprintmail.com/~awiner/butterflyPics.html