Published online by Cambridge University Press: 31 May 2012
The following notes deal with three species in the genera Spudastica, Echthronomas and Campoctonus, and are based on material in the National Collection, supplemented by specimens loaned from the United States National Museum and the personal collection of Dr. H. K. Townes, to whom I am especially indebted for providing me with this additional material.
* Contribution No. 2312, Division of Entomology, Science Service, Department of Agriculture, Ottawa.