Coronado-Blanco, J.M., Ruíz Cancino, E., & Monrreal Hernández, L.S. 1997 Escamas armadas en cítricos. [Armored scale on citrus.]. Revista de la Universidad Autónoma de Tamaulipas 52: 38-41.

Notes: This paper discusses the damage, chemical control and geographic distribution of 40 armored scale species in this major citrus-growing region of Mexico.