Schmutterer, H. 1974 Coccina - Schildläuse. [Coccina - scale insects.]. Exkursionsfauna fü die gebiete der DDR und der BRD: Insekten - Zweiter Halbband. [Fauna of east and west Germany: Insects - Part 2.] Volk und Wissen Volkseigener Verlag Berlin 476 pp.
Notes: Brief coverage of Orthezia urticae, Arctorthezia cataphracta, Newsteadia floccosa, Porphyrophora polonica, Matsucoccus pini, Xylococcus filiferus, Kermes quercus, Parthenolecanium corni, Eulecanium coryli, Pulvinaria vitis, Eriopeltis festucae, Physokermes piceae, P. hemicryphus, Pseudococcus maritimus, Phenacoccus aceris, Euripersia tomlinii, Eriococcus insignis, E. spurius, Cryptococcus fagi, Pseudochermes fraxini, Quadraspidiotus pyri, Q. perniciosus, Leucaspis lowi, Carulaspis juniperi, Lepidosaphes ulmi and Chionaspis salicis.