1. Les Cochenilles de France, d'Europe, du Nord de l'Afrique et du Bassin Mediterranéen. Vol.2. Caractères généraux des Cochenilles. Morphologie interne;Balachowsky;Actualités Scientifiques et Industrielles,1937
2. Some aspects of the biology of armored scale insects;Baranyovits;Endeavour,1953
3. Le cocciniglie Italiane viventi sugli agrumi, Parte II.I Lecanium;Berlese;Rivista di Patologia Vegetale,1894
4. Anatomical and histological investigations on the genus Lecanium Burm.Part I. Female reproductive organs of Lecaniumpomeranicum Kaw. (Homoptera Coccoidea);Bielenin;Acta Biologica Cracoviensia,1962
5. Anatomical and histological investigations on the genus Lecanium Burm. Part II. The male reproductive organs of Lecanium pomeranicum Kaw. (Homoptera, Coccoidea);Bielenin;Acta Biologica Cracoviensia,1962