Goidanich, A. 1956 Sulla permeabilita' del follicolo sericeo in alcuni Diaspididi (Hem. Cocc. Diaspididae).. Proceedings of the 10th International Congress of Entomology. Montreal 207-224.

Notes: Discusses permeability of wax covers of Dynaspidiotus abietis and Diaspid boisduvalii.