Wilson, C.E. 1923 Insect pests of cotton in St. Croix and means of combating them.. Bulletin (Virgin Islands Agricultural Experiment Station) No. 3: 1-20.

Notes: Scale species mentioned as pests include Aulacaspis pentagona, Pseudococcus longispinus, P. virgatus, Saissetia hemisphaerica, S. nigra and S. oleae.