Parker, H.L. 1924 [Research on the post-embryonic forms of Chalcids.] Recherches sur les formes post-embryonnaires des Chalcidiens.. Annales de la Société Entomologique de France 93: 262-379.

Notes: [Thesis presented to the Faculty of Sciences of Paris; Species mentioned include Aspidiotus, Eulecanium coryli, Kermococcus roboris, Lepidosaphes ulmi, Lecanium caprae, Sphaerolecanium prunastri and Saissetia oleae.