Published in Proc. ent. Soc. Wash., in 1906, in volume 7, pages 94-100
Published in Proceedings of The Entomological Society of Washington Dc, in 1906, in volume 7, pages 106-113
Published in Proceedings of The Entomological Society of Washington Dc, in 1906, in volume 7, pages 122-123
Published in Proceedings of The Entomological Society of Washington Dc, in 1906, in volume 7, pages 149-166
Published in Proceedings of the Entomological Society of Washington, in 1906, in volume 8, pages 8-9
Published in Proceedings of the Entomological Society of Washington, in 1906, in volume 8, pages 21-31
Published in Proceedings of The Entomological Society of Washington Dc, in 1906, in volume 8, pages 31-32
Published in Proceedings of the Entomological Society of Washington, in 1906, in volume 8, pages 77-86