Published in Proceedings of The Entomological Society of Washington, in 1950, in volume 52, pages 40-41

Published in Proceedings of The Entomological Society of Washington, in 1950, in volume 52, pages 63-69

Published in Proceedings of The Entomological Society of Washington, in 1950, in volume 52, pages 69-75

Published in Proceedings of the Entomological Society of Washington, in 1950, in volume 52, pages 77-81

Published in Proceedings of The Entomological Society of Washington, in 1950, in volume 52, pages 85-87

Published in Proc Ent Soc Washington, in 1950, in volume 52, pages 91-95

Published in Proc. ent. Soc. Wash, in 1950, in volume 52, pages 100-101

Published in Proceedings of The Entomological Society of Washington, in 1950, in volume 52, pages 109-143

Published in Proceedings of The Entomological Society of Washington, in 1950, in volume 52, pages 143-146

Published in Proceedings of The Entomological Society of Washington, in 1950, in volume 52, pages 147-157

Published in Proceedings of The Entomological Society of Washington, in 1950, in volume 52, pages 194-199

Published in Proc. Ent. Soc. Wash, in 1950, in volume 52, pages 237-250

Published in Proc Ent Soc Washington, in 1950, in volume 52, pages 251-258

Published in Proceedings of The Entomological Society of Washington, in 1950, in volume 52, pages 287-290

Published in Proceedings of The Entomological Society of Washington, in 1950, in volume 52, pages 291-299

Published in Proceedings of The Entomological Society of Washington, in 1950, in volume 52, pages 299-300

Published in Proceedings of The Entomological Society of Washington, in 1950, in volume 52, pages 301-304

Published in Proceedings of the Entomological Society of Washington, in 1950, in volume 52, pages 309-312

Published in Proceedings of the Entomological Society of Washington, in 1950, in volume 52, pages 312-315