Matile-Ferrero, D., Williams, D.J., & Étienne, J. 2006 The identity of two scale insects described by Alfred Giard in 1897 from Guadeloupe on the roots of coffee (Hemiptera: Coccoidea).. Revue Française d'Entomologie 28(2): 69-70.

Notes: The identities of two scale species are established: Ortheziola reynei and Rhizoecus arabicus.