The Genus Scopeuma in the Western United States and Southwestern Canada (Diptera, Scopeumatidae)1
- 1 September 1950
- journal article
- Published by Oxford University Press (OUP) in Annals of the Entomological Society of America
- Vol. 43 (3), 343-353
- https://doi.org/10.1093/aesa/43.3.343