Northern Prairie Wildlife Research Center
- Alberta Butterflies
- Includes tips for beginners, results of butterfly counts, and other information about butterflies in Alberta.
- Alexanor
- Contains a species list, literature sources, statistics, databases, mapping, and photos of butterflies in the SW Ukraine territory.
- Butterflies and Moths of Southern Vancouver Island
- A descriptive guide to the butterflies and moths of Vancouver Island, British Columbia, Canada.
- Butterflies of Southeastern Arizona
- Butterflies of Utah
- A stand-alone resource dedicated to the butterflies of Utah.
- Butterflies of Northern Mexico and Sonora
- Photos of butterflies from Sonora state, Mexico.
- Butterflies on the Wings of Freedom
- General information about butterflies, including a kids section, photos taken with an electron microscope and a high speed shooting of a hummingbird hawkmoth's flight.
- Butterflies Starting Page
- This site helps people to examine more matters about butterflies by providing links to the best butterfly websites on the Internet.
- Butterfly Net International
- A network of connections that will facilitate communication among butterfly phylogenetic researchers around the world.
- Catalogue of the Lepidoptera of the French Antilles
- A listing moth and butterfly species occuring in Guadeloupe and Martinique, France
- Catocala
- Pictures and information about the underwing moths of Canada and the United States.
- Children's Butterfly Site
- A site geared towards children, it provides colorful pictures, life cycles, and coloring pages for many species of moths and butterflies.
- The Connecticut Butterfly Atlas Project
- Contains detailed distribution maps for Connecticut.
- Dave Powell's Butterfly Site
- Electronic Resources on Lepidoptera
- Extensive listing of links.
- Endangered Species Information Network
- Information on federally and state listed endangered, threatened and sensitive species as well as other species of conservation concern in the Pacific Northwest.
- Entomology Collection
- A searchable database of the E. H. Strickland Entomological Museum of the Department of Biological Sciences at the University of Alberta.
- Georgia Lepidoptera
- Moths and Butterflies of Georgia and the Southeastern United States.
- The International Lepidoptera Survey: The Taxonomic Report
- A non-profit organization devoted to the discovery, determination, and documentation, of new butterflies and moths around the world.
- The Large Moths of Southeastern Arizona
- The Lepidopterists' Society
- Includes links to Internet Resources For Lepidopterists (And All Other Entomologists).
- Living Landscapes: Pend-d'Oreille Butterfly Survey
- This study opens the door on the "biodiversity central" of the British Columbia butterfly world.
- Michigan Lepidoptera Survey
- This page is dedicated to documenting the identity, distribution, and biology of Michigan's diverse lepidopteran fauna.
- Moths and Butterflies of the Montane Cordillera Ecozone
- Moth Diversity in Fundy National Park
- A checklist of over 600 species of moths occurring in Fundy National Park, located in the southwest corner of New Brunswick. Also includes illustrations and species accounts.
- Moths in a Connecticut Yard
- A photo record of moth occurrences in an observer's yard in Connecticut.
- Moths of North Dakota
- An online identification guide, photo gallery, and glossary for moths located in North Dakota.
- National Audubon Society Online Field Guides
- This site offers online searchable field guides to over 4,800 plant and animal species. Derived from 35 different Audubon Society Field Guides, Regional Guides, and Nature Guides, the database is keyword-searchable by group (mammals, amphibians, fishes, trees, etc.) or browseable within subheadings for each group.
- Noctuid Search
- An interactive key to identify the Noctuidae of North America.
- North American Butterfly Association (NABA)
- Contains daily sightings from around the continent, a downloadable checklist of North American butterflies, free butterfly gardening brochures and activities of the many NABA chapters, including butterfly photographs and conservation initiatives.
- Notes of the Butterflies of North Carolina
- Contains extensive natural history information on all N.C. butterflies, including flight phenograms, and county atlases.
- Parnassius of the World
- Photos and distribution maps of this butterfly family.
- Photographs from Nature - Butterfly Gallery
- High quality images of many species of butterflies found in Canada.
- Sphingidae of the United States
- Contains a list of all Sphingidae found in the continental United States plus, photographs and general information for each.
- Sphingidae of the Western Palaearctic
- A. R. Pittaway's site listing the Sphingidae of the western Palaearctic. Includes species notes and illustrations.
- The Utah Lepidopterists' Society
- The ULS is a non-profit educational and scientific organization dedicated to the study and enjoyment of all aspects of Lepidoptera especially Lepidoptera of Utah.
- Web Images of North American Moth Species
- Provides images for many moth species found throughout North America.
- The Yucca Moths
- This page dedicated to the Prodoxidae family contains a family tree, species photographs, and other information.
- California Dragonfies and Damselflies
- Listing of dragonflies and damselflies of the California region.
- Chin's Nature Corner: Dragonflies and Damselflies
- Photography gallery of some species of dragonflies and damselflies.
- Common Names of Odonata of North America
- This source provides common names for species of dragonflies and damselflies that are found in North America
- Damselflies of Texas
- Presents a small sampling of both scans and photographs of damselflies found in Texas.
- Database of Illinois Odonata II
- Checklist of Odonata species occurences by county in Illinois.
- Digital Dragonfly Museum
- Contains photos of dragonflies in central Texas also providing information on nymphs and collection records.
- Digital Dragonflies of Texas
- Lists the species known to exist in Texas as well as links to other sites and the Dragonfly Museum.
- Distribution Summary of North American Anisoptera
- A list of North American dragonfly species and the states or provinces in which they have been recorded.
- Dragonflies of New Mexico
- Provides a simplifies Odonata list showing distribution by county in New Mexico.
- The Dragonflies and Damselflies (Odonata) of Georgia
- International Odonata Research Institute list of Georgia species displaying individual counties along with the source of the records.
- Dragonflies and Damselflies of Houston, Texas, and Vicinity
- Lists species that have been found to occur in Houston, Texas and the surrounding counties.
- The Dragonflies & Damselflies of Iowa
- A comprehensive accounting of the odonates in Iowa with county maps included.
- Dragonfly (Odonata) Biodiversity
- Provides links to lists, keys, photos, and other material of interest for dragonflies and other Odonata.
- E-mail Directory of Odonatists
- Endangered Species Information Network
- Information on federally and state listed endangered, threatened and sensitive species as well as other species of conservation concern in the Pacific Northwest.
- The Hine's Emerald Gallery
- Site dedicated to presenting information about Somatochlora hineana, the only dragonfly on the U.S. Fish and Wildlife Service List of Endangered Species.
- Images of Odonates
- Provides photographs of Odonates of both Canada and the United States
- Michigan Odonata Survey
- Contains checklists, databases, and other resources for Odonata in Michigan.
- Maine Damselfly and Dragonfly Survey
- Contains checklists and distributions as well as flight periods for Odonata in Maine.
- National Audubon Society Online Field Guides
- This site offers online searchable field guides to over 4,800 plant and animal species. Derived from 35 different Audubon Society Field Guides, Regional Guides, and Nature Guides, the database is keyword-searchable by group (mammals, amphibians, fishes, trees, etc.) or browseable within subheadings for each group.
- New World Odonata
- Listing of species of Odonata by family.
- Ode News
- Includes checklists of Odonates of Cape Cod and Massachusetts, and a bibliography of New England Odonatology.
- Odonata of Alaska
- Listing of Odonata species and localities of sightings or collection in the state of Alaska.
- Odonata Central
- Searchable pages that provide photographs and distribution of Odonates primarily in North America.
- Odonata: Dragonflies and Damselflies
- Provides links to Odonata of Kansas, Oklahoma, and Texas and a list of other sites relating to Odonata.
- Odonata of Idaho
- Provides a species list of Odonata along with the localities of sightings or collection in the state of Idaho.
- Odonata Information Link
- Provides information on Odonata from around the world and Odonata upcoming events.
- Odonata Links on the World Wide Web
- Odonata of New Jersey
- Annotated list containing geographic information for the Odonata of New Jersey.
- Odonata Photo Archive
- Some photographs of Odonata species on the web.
- Odonates of the Lower Rio Grande Valley
- A virtual field guide to dragonflies and damselflies of the lower Rio Grande Valley.
- Ohio Odonata Society
- Read research news and view species maps and images for Odonata in Ohio.
- Oregon Dragonfly and Damselfly Survey
- Checklists, county records, migration notes, and photo gallery of Odonata in the state of Oregon.
- Phylogenetic Systematics of Odonata
- This site provides clades, phylogenetic systematics, and fossils of Odonata.
- Washington Dragonfly Survey
- Contains a listing of species, field key, photo gallery, and range maps for Odonata in the state of Washington.
- Western U.S. Odonata Range Maps
- Maps that show county records for Odonata species recorded from the contiguous western United States.
- Benthic Macroinvertebrates: Order Ephemeroptera
- Includes an identification key to the orders of benthic insects and also includes some nymph drawings.
- Endangered Species Information Network
- Information on federally and state listed endangered, threatened and sensitive species as well as other species of conservation concern in the Pacific Northwest.
- Ephemeroptera Galactica: Mayflies at FAMU
- Ephemeroptera information for scientists and aquatic biologists for mayflies around the world.
- Mayfly Central
- From the Department of Entomology at Purdue University this site provides species lists for both North America and Central America.
- National Audubon Society Online Field Guides
- This site offers online searchable field guides to over 4,800 plant and animal species. Derived from 35 different Audubon Society Field Guides, Regional Guides, and Nature Guides, the database is keyword-searchable by group (mammals, amphibians, fishes, trees, etc.) or browseable within subheadings for each group.
- Chebucto Community Information on Stoneflies
- Provides general information on stoneflies as well as their life history, habitat and ecological preference, feeding, and resources.
- Department of Entomology at NCSU Information on Stoneflies
- General information about stoneflies including classification, life history and ecology, distribution, physical features, and importance.
- Endangered Species Information Network
- Information on federally and state listed endangered, threatened and sensitive species as well as other species of conservation concern in the Pacific Northwest.
- Illinois Checklist of Plecoptera
- Listing of the stonefly species that inhabit Illinois.
- National Audubon Society Online Field Guides
- This site offers online searchable field guides to over 4,800 plant and animal species. Derived from 35 different Audubon Society Field Guides, Regional Guides, and Nature Guides, the database is keyword-searchable by group (mammals, amphibians, fishes, trees, etc.) or browseable within subheadings for each group.
- North American Stonefly List
- List of 618 species of stoneflies and where they reside by state and province.
- Stoneflies Found in the Streams of the Kuril Islands and Adjacent Regions
- Listing of species in 7 families of stoneflies in the Kuril Islands and surrounding regions.
- University of Vermont Extension
- Discussion of the importance, description, and life history of stoneflies.
- Animal Diversity Web
- Species accounts, photos, and some sound and video clips for 1600 species of mammals, birds, amphibians, reptiles, sharks, bony fishes, mollusks, arthropods, and echinoderms from throughout the world.
- Catalog of Museum Collections
- A growing resource of online databases of museum collections and related resources.
- Common Insects of Utah
- Contains 158 slides and classification information.
- Diatom Checklist: Central United States
- Register of Taxa and Synonyms for Diatoms recently reported from the Central United States.
- Endangered Species Information Network
- Information on federally and state listed endangered, threatened and sensitive species as well as other species of conservation concern in the Pacific Northwest.
- Entomology Index of Internet Resources
- A searchable database of insect-related resources on the Internet. Resouces include WWW sites, gopher and FTP, Usenet news, electronic mailing lists, etc.
- The Few, The Proud, The Marine Insects
- Explore some of the most popular hypotheses as to why there are so few insect species that can survive exposure to seawater.
- Illinois Natural History Survey
- A Magellan 4-star site featuring information on biodiversity, entomology, aquatic ecology, and wildlife ecology and some downloadable GIS data.
- The Insect Family Tree
- A Key to the Principle Orders and Families of Insects.
- Insects of Utah
- Contains 162 slides and classification information.
- National Audubon Society Online Field Guides
- This site offers online searchable field guides to over 4,800 plant and animal species. Derived from 35 different Audubon Society Field Guides, Regional Guides, and Nature Guides, the database is keyword-searchable by group (mammals, amphibians, fishes, trees, etc.) or browseable within subheadings for each group.
- Neartica: The Natural World of North America
- A collection of links and other information pertaining to the natural world of North America
- Nematodes of the Northern Great Plains
- Based on a 1968 survey of plant parasitic nematodes, this site includes descriptions, photographs, scanning electron micrographs, molecular markers, and distributions.
- Spider Conservation
- Dedicated to raising awareness and exchanging information to protect spider diversity.
- Spiders of San Diego County
- This site contains a checklist for spiders found in San Diego County, California.
- Tiger Beetles of Connecticut
- The Tiger Beetles of Nebraska
- Includes a complete list of tiger beetles that occur in Nebraska.
- Unionid Mussel Checklist: Kansas
- Register of Taxa, Synonyms, and Assumed Misidentifications for the Freshwater Mussels of Kansas.
- University of Michigan's Museum of Zoology - Mollusk Division
- The World-Wide Web Virtual Library: Entomology (Biosciences)
- Includes areas on upcoming events in entomology, job opportunities, entomology on the internet, publications, and pictures.