Koteja, J., & Howell, J.O. 1979 Luzulaspis Cockerell (Homoptera: Coccidae) in North America.. Annals of the Entomological Society of America 72: 334-342.

Notes: L. americana, borealis and minima, new species; L. caricis redescribed; key to species; discusses status of genera in North America.