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Butterfly Atlases - A Partial List
Note that the links below are to the specific web pages where the maps are the found, and not the home pages of the projects or organizations.
Note also that sites differ as to how much information they have available to be mapped. Some sites are new and have few observations to map.
Thanks are due to Kendra Serbinski, a student at Wilfrid Laurier University, for gathering the information on this page.
Alberta The E.H. Strickland Entomological Museum at the University of Alberta has data on 225,000 specimens of all types of insects. The individual observations can be displayed as a list, including latitude and longitude for each. The observations can also be displayed as a 2-inch by 2-inch map, with the ability to zoom in.
Maritimes Butterfly Atlas (provinces of NB, NS, PEI)
Ontario Butterfly Atlas (TEA)
Canadian Biodiversity Information Facility (Government of Canada)
e-Butterfly (University of Ottawa): Enter a species and click on "Find Your Records on Map." This will display a map of point observations for that species from across Canada.
Butterflies and Moths of North America (BAMONA): Pick a species, choose "United States" (and, optionally, a state and a county), click "Apply", and a species page will appear with a sightings map at the bottom. Regardless of the state or county chosen, the map is of point observations of that species for the entire US. Species lists are provided for each state/province and, in the US, for counties as well.
Butterflies of North America (sponsored by the Prairier Wildlife Research Centre): Pick a state, then pick a species, and a species page with appear with a county map at the bottom. The map will show counties in that state where the species has been observed. However, the links work only for 5 states: Alabama, Alaska, Arkansas, Arizona and Calfornia.
Vermont Butterfly Atlas
United Kingdom and Elsewhere
Big Butterfly Count (sponsored by Butterfly Conservation): Pick a species, a habitat (7 choices and "All"), and (optionally) type in a location, and a map of where that species occurs in the United Kingdom will appear. On the map, click on the butterfly symbol for any area and an info window will display the species list and numbers of records. These maps seem to be very detailed as "location" apparently can be as detailed as a part of a city (check this).