Butterfly Related Websites 

Butterflies of Ontario - a more comprehensive site I put together for the province as a whole

Butterflies of Quebec - my website that focuses on La Belle Provence

Butterflies of the Maritimes - my website that focuses on the Maritime Provinces

eButterfly - an interactive website where citizens can contribute their butterfly observations!

Ontario Butterfly Atlas Online - a useful tool for checking what species have been found in a particular area, etc.
Ontario Field Naturalists' Toolchest - page dedicated to books, videos and other info sources

The Red Admiral and Painted Lady Research Site - lots of butterfly related info here

Monarch Teacher Network  - workshops and resources on using Monarch butterflies in the classroom

Gaia Nature - Butterflies for the Classroom


Sentinels on the Wing - comprehensive overview of Status and Conservation of Butterflies in Canada

Other Butterfly/Moth Photography Websites - amazing moth images by Jim des Rivières

The Marvelous in Nature - nature/moths blog by Seabrooke Leckie

Local Hiking Recommendations 

Larry Neily's Birding Ottawa - A great resource for finding spots to visit in the Ottawa-Gatineau region.  Many of the area's "hotspots" are described, often with trailmaps and directions to trailheads

Out of Town Excursions

Carolinian Canada - Sites to visit in Southern Ontario
also see the links for Field Naturalists' clubs below - their sites typically feature info on hiking trails

Butterfly Related Mailing Lists

Butterfly_obs - A yahoo group where members report their sightings for Eastern Ontario and West Quebec
Ontario Butterflies - A google group where members report their sightings for Southern Ontario

Naturalists Clubs

Pembroke Area Field Naturalists - page dedicated to Butterflies & Moths of Renfrew County

Quinte Field Naturalists - includes Prince Edward County
Ontario Nature - this page provides links to clubs across Ontario

Entomological Societies  

Toronto Entomological Association - lots of useful information for Ontario in general

Further Afield...

Butterflies of Nova Scotia - a similarly organized website covering many of the same species.  
Maritime Butterfly Atlas - you have to dig a bit to get to the species pages, but there's some useful information about many species that we have in common.
Wisconsin Butterflies - a nicely constructed website covering many of the species we also have here in Ontario, but not all species featured on this website will be found in our area.
Massachusetts Butterfly Club - a website featuring a useful tool for comparing photos of different species side-by-side.  Not all species featured  on this website  will be found in our area.
Butterflies of the Carolinas and Virginias - another site with features that are handy for Butterfly identification - in this case, when you place your cursor over the photograph, identification keys pop up. Not all species featured  on this website  will be found in our area.

Butterflies of the World Foundation - despite the name, seems to be centered on Oklahoma and surrounding states.
Digital Atlas of Idaho ( Butterflies section )  - another site with some interesting tidbits of info, though there's less overlap between the western species and those here in the east.