Published in Canadian Entomologist, in 1921, in volume 53, pages 35-43

Published in Canadian Entomologist, in 1921, in volume 53, pages 44

Published in Can. Ent, in 1921, in volume 53, pages 61-64

Published in Canad. Ent, in 1921, in volume 53, pages 69-70

Published in Can. Ent, in 1921, in volume 53, pages 76-79

Published in Can. Ent, in 1921, in volume 53, pages 103-109

Published in Canadian Entomologist, in 1921, in volume 53, pages 132-137

Published in Can. Ent, in 1921, in volume 53, pages 139-144

Published in Canadian Entomologist, in 1921, in volume 53, pages 162-166

Published in Canadian Entomologist, in 1921, in volume 53, pages 205-211

Published in Canad. Ent, in 1921, in volume 53, pages 245-247

Published in Canadian Entomologist, in 1921, in volume 53, issue 2, pages 44-45