Published in Proceedings of The Entomological Society of Washington Dc, in 1917, in volume 18, pages 212
Published in Proceedings of the Entomological Society of Washington, in 1917, in volume 19, pages 12-22
Published in Proceedings of the Entomological Society of Washington, in 1917, in volume 19, pages 87-89
Published in Proceedings of the Entomological Society of Washington, in 1917, in volume 19, pages 126-128
Published in Proceedings of the Entomological Society of Washington, in 1917, in volume 19, pages 146-161
Published in Proceedings of the Entomological Society of Washington, in 1917, in volume 19, pages 162-165
Published in Proceedings of the Entomological Society of Washington, in 1917, in volume 19, pages 173-174