Howell, J.O., & Beshear, R.J. 1975 Lapazia obscurus: a new armored scale insect from Texas (Homoptera: Coccoidea: Diaspididae).. Annals of the Entomological Society of America 68: 265-268.

Notes: Description; host and distribution; key to Lapazia; characters to distinguish from L. obtecta.