Blay Goicoechea, M.A. 1993 . [The Diaspididae Targioni-Tozzetti, 1868, from the Spanish peninsula and Baleares (Insecta: Hemiptera: Coccoidea)] La familia Diaspididae Targioni-Toz Editorial de la Universidad Complutense de Madrid, Doctoral Thesis Madrid 736 pp.

Notes: [Doctoral thesis.] Extensive review of species including morphology, economic importance, parasites and predators and systematics.