Kozár, F. 2004 . Ortheziidae of the World. Plant Protection Institute, Hungarian Academy of Sciences Budapest, Hungary 525 pp.
Notes: This work includes 4 subfamilies, 9 tribes, 20 valid genera (including 3 fossils) and 198 species (including 7 fossil species). A further 7 generic synonymous and 14 specific synonymous names are listed. Ten new genera, and 94 new species are described in this book.