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TEA Seasonal Summaries: Ontario Lepidoptera

TEA annual summaries of Lepidoptera encountered in Ontario began in 1969, almost 50 years ago.

Please contribute your data (old or new) to these summaries and to the atlas -- see this page for instructions. Both members and non-members are welcome to contribute.

The most recent issue, for the 2019 season, includes more than 130 pages of records from more than 500 individuals throughout Ontario. Each butterfly species is given an individual narrative account of its prevalence, distribution, and any change from previous years. Full colour is used for the front and back cover and 4 inside pages. Coverage of moths varies from year to year depending on the availability of volunteers. The 2016 Summary included an article on the discovery of new populations of the bog elfin. The 2017 Summary included articles on the taxonomy of azures and tiger swallowtails. The 2019 summary includes an update on tiger swallowtails, including the Midsummer Tiger Swallowtail.

Records from 1969 to the present are used in constructing the TEA's Ontario Butterfly Atlas.

Prior years' summaries are free for download, and are full-text searchable:

Summaries for some older years can also be downloaded in bigger files: 1969-1989, 1990-1999, 2000-2007, 2008-2012, and 2013-2015. Save the files to disk and use Adobe Reader to view the bookmarks to navigate easily to individual summaries and the components of those summaries.

 

 

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