Korecka, T. 1974 The haemolymph in Quadraspidiotus ostreaeformis (Curt.) (Homoptera, Coccoidea, Aspidiotini).. Acta Biologica Cracoviensia: Series Zoologia 17: 85-93.

Notes: Distinguishes 4 types of haemocytes in haemolymph of Q. ostreaeformis; also found oenocytes and fat body cells.