Monteiro Guimarães, J.A. 1973 . Catálogo das pragas das culturas em Portugal Continental. Vol. I. [Catalog of Agricultural Pests. Vol. I - Insecta: Small orders and Coccoidea]. 299 pp.

Notes: Species listed include Abgrallaspis palmae from Diaspididae, Asterolecanium conimbrigensis from Asterolecaniidae, Filippia viburni from Coccidae, Nipaecoccus nipae from Pseudococcidae, Icerya purchasi from Margarodidae and Orthezia insignis from Ortheziidae.