Frost, S.W. 1936 . Ancient Artizans: the Wonders of the Insect World. The Van Press Boston 295 pp.

Notes: Species mentioned include Pseudococcus longispinosus, Dactylopius citri, Orthezia sp., Ericerus pele, Aspidiotus perniciosa, Pulvinaria vitis and Coccus mannifera.