Published in The Canadian Entomologist, Ontario, in 1920, in volume 52, pages 25-29

Published in The Canadian Entomologist, Ontario, in 1920, in volume 52, pages 68-72

Published in The Canadian Entomologist, Ontario, in 1920, in volume 52, pages 73-76

Published in The Canadian Entomologist, Ontario, in 1920, in volume 52, pages 215-216

Published in The Canadian Entomologist, Ontario, in 1920, in volume 52, pages 259-264