1. Northern Blue (Lycaeides idas ferniensis), male. Jesmond, 7500 ft., BC. 19.VII.37 J.K. Jacob
2. Northern Blue (Lycaeides idas alaskensis), male. Dawson, 1500 ft., YT. 20.VIII.49 P.F. Bruggemann
3. Northern Blue (Lycaeides idas ferniensis), female D. Hedley, BC. 26.VII.23 C.B. Garrett
4. Northern Blue (Lycaeides idas empetri), male. Crowberry Bog, vic. Shippagan, NB. 5.VII.88 H. & G. Hensel
5. Northern Blue (Lycaeides idas empetri), female D. NB. Crowberry Bog, vic. Shippagan, NB. 11.VII.88 H. & G. Hensel
The Toronto Entomologists' Association thanks Agriculture and Agri-Food Canada for providing the content and computer code for this web page.