Published in Proc. ent. Soc. Wash., in 1906, in volume 7, pages 94-100

Published in Proceedings of the Entomological Society of Washington, in 1906, in volume 8, pages 77-86

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 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 Dc, in 1906, in volume 8, pages 31-32