Published in Proceedings of the Entomological Society of Washington, in 1918, in volume 20, pages 23-26

Published in Proceedings of the Entomological Society of Washington, in 1918, in volume 20, pages 18-19

Published in Proceedings of the Entomological Society of Washington, in 1918, in volume 19, pages 29-77

Published in Proceedings of the Entomological Society of Washington, in 1918, in volume 19, pages 79-86

Published in Proceedings of the Entomological Society of Washington, in 1918, in volume 20, pages 136-150

Published in Proc. Ent. Soc. Wash, in 1918, in volume 19, pages 22-26

Published in Proc. Ent. Soc. Wash, in 1918, in volume 20, pages 19-21

Published in Proc. Ent. Soc. Washington, in 1918, in volume 20, pages 2-8

Published in Proc. Ent. Soc. Wash, in 1918, in volume 20, pages 69-71

Published in Proceedings of The Entomological Society of Washington, in 1918, in volume 19, pages 129-134

Published in Proceedings of the Entomological Society of Washington, in 1918, in volume 18, pages 89-98

Published in Proceedings of The Entomological Society of Washington, in 1918, in volume 19, pages 1-12

Published in Proceedings of The Entomological Society of Washington, in 1918, in volume 20, pages 128-130

Published in Proceedings of The Entomological Society of Washington, in 1918, in volume 19, pages 165-172

Published in Proceedings of The Entomological Society of Washington, in 1918, in volume 20, pages 79-90

Published in Proceedings of The Entomological Society of Washington, in 1918, in volume 19, pages 122-128

Published in Proceedings of The Entomological Society of Washington, in 1918, in volume 20, pages 67-68

Published in Proceedings of The Entomological Society of Washington, in 1918, in volume 20, pages 21

Published in Proceedings of The Entomological Society of Washington, in 1918, in volume 19, pages 135

Published in Proceedings of The Entomological Society of Washington, in 1918, in volume 20, pages 127