Checklist of Butterflies of Thunder Bay District, Ontario

The following is a checklist of the butterflies and skippers known from the Thunder Bay District.  The list was compiled by Dr. Nick Escott, based on his records and those of Alan Wormington and John Walas.  

Nomenclature and taxonomy are based on Toronto Entomologists Association 2019 (TEA Occasional Publication #50-2019). Some species have been added and changes in nomenclature have been made since the original checklist was published in 2000.

This list is current as of October 2019.


For the Checklist of Butterflies of Thunder Bay District, Ontario click on the link below.


For a smaller format version for field use click on the link below. This list is intended to be printed double-sided, short-edge binding.