Published in Proceedings of the Entomological Society of Washington, in 1921, in volume 22, pages 235-243

Published in Proceedings of The Entomological Society of Washington, in 1921, in volume 23, pages 15-22

Published in Proc. Ent. Soc. Wash, in 1921, in volume 23, pages 23-24

Published in Proceedings of the Entomological Society of Washington, in 1921, in volume 23, pages 27-35

Published in Proceedings of The Entomological Society of Washington, in 1921, in volume 23, pages 63-67

Published in Proceedings of The Entomological Society of Washington, in 1921, in volume 23, pages 99-100

Published in Proceedings of the Entomological Society of Washington, in 1921, in volume 23, pages 109-112

Published in Proceedings of the Entomological Society of Washington, in 1921, in volume 23, pages 113-119

Published in Proc. Ent. Soc. Wash, in 1921, in volume 23, pages 120-124

Published in Proceedings of the Entomological Society of Washington, in 1921, in volume 23, pages 171-172

Published in Proceedings of The Entomological Society of Washington, in 1921, in volume 23, pages 193-202

Published in Proceedings of the Entomological Society of Washington, in 1921, in volume 23, pages 206-208

Published in Proc. ent. Soc. Wash, in 1921, in volume 23, pages 208-209

Published in Proceedings of the Entomological Society of Washington, in 1921, in volume 23, issue 2, pages 25-27