Published in Proceedings of the Entomological Society of Washington, in 1931, in volume 33, pages 27-28

Published in Proceedings of The Entomological Society of Washington, in 1931, in volume 33, pages 37-42

Published in Proceedings of the Entomological Society of Washington, in 1931, in volume 33, pages 59-63

Published in Proceedings of The Entomological Society of Washington, in 1931, in volume 33, pages 69-72

Published in Proceedings of the Entomological Society of Washington, in 1931, in volume 33, pages 121-122

Published in Proceedings of The Entomological Society of Washington, in 1931, in volume 33, pages 125-164

Published in Proceedings of The Entomological Society of Washington, in 1931, in volume 33, pages 176-182

Published in Proceedings of the Entomological Society of Washington, in 1931, in volume 33, pages 189-192

Published in Proceedings of the Entomological Society of Washington, in 1931, in volume 33, pages 193-195

Published in Proceedings of the Entomological Society of Washington, in 1931, in volume 33, pages 197-201

Published in Proc. Ent. Soc. Wash, in 1931, in volume 33, pages 213-220

Published in Proceedings of The Entomological Society of Washington, in 1931, in volume 33, pages 220-227

Published in Proceedings of The Entomological Society of Washington, in 1931, in volume 33, pages 227-234