Tremblay, E. 1997a 1.2.1.3 Endosymbionts.. Soft Scale Insects: Their Biology, Natural Enemies and Control [Vol. 7A]. Elsevier Amsterdam & New York 452 pp.

Notes: Topics include morphology, nature, localization, host regulation and significance; list of Coccidae symbionts for which information is available are Ceroplastes rusci, Chloropulvinaria floccifera, C. psidii, Coccus hesperidum, C. longulus, Eucalymnatus tessellatus, E. kunoense, E. tiliae, Lecanium sp., Neopulvinaria innumerabilis, Parasaissetia nigra, Parthenolecanium cerasifex, P. corni, P. persicae, P. putnami, Physokermes piceae, Pulvinariella mesembryanthemi, Pulvinaria vitis, Saissetia coffeae, S. oleae and Sphaerolecanium prunastri.