Ontario Butterfly Atlas updated for 2017 records - 31,000 in all

Records were up this year, from 27,000 last year to 31,000 this year, from more than 500 observers. This wasn't the peak year of 2012, which had almost 34,000 records, but it was close, and second best of all years. Thanks to all of you who contributed your data. The main atlas page is

Perhaps the highlight of the year was the discovery of a new species for Ontario, the European Common Blue, in two areas east of Ottawa. It's an invasive species, unfortunately, although its food plant appears to be an invasive plant, bird's-foot trefoil. Here's a map of locations (click on the green squares to see the location details and full records):

The advanced version of the atlas can be ...more ↓

Posted on February 16, 2018 09:06 PM by dkaposi dkaposi | 0 comments | Leave a comment
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This project collects observations of native butterflies (including skippers) in Ontario. The Toronto Entomologists' Association has been collecting observations in the province since 1969 and maintains an online atlas of butterfly phenology and distribution. ...more ↓

Mini dkaposi created this project on January 24, 2016

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