Published in Proceedings of the Entomological Society of Washington, in 1899, in volume 4, pages 314-315

Published in Proc. ent. Soc. Wash., in 1899, in volume 4, pages 188-195

Published in Proceedings of the Entomological Society of Washington, in 1899, in volume 4, pages 200-206

Published in Proceedings of the Entomological Society of Washington, in 1899, in volume 4, pages 195-197

Published in Proceedings of the entomological Society of Washington, in 1899, in volume 4, pages 303-312

Published in Proceedings of the Entomological Society of Washington, in 1899, in volume 4, pages 294-296

Published in Proceedings of the Entomological Society of Washington, in 1899, in volume 4, pages 249-261

Published in Proceedings of The Entomological Society of Washington, in 1899, in volume 4, pages 222-229

Published in Proceedings of The Entomological Society of Washington, in 1899, in volume 4, pages 299-300