Wolcott, G.N. 1955 [Puerto Rican economic entomology.] Entomolgía Económica Puertorriqueña.. Boletín (Estación Experimental Agrícola, Universidad de Puerto Rico) 125: 208 pp.
Notes: Among the insect species of importance to agriculture in Puerto Rico discussed are Aspidiotus destructor, Icerya purchasi, Lepidosaphes beckii, Pseudaulacaspis pentagona, Pseudococcus boninsis, P. citri, Saissetia hemisphaerica and Trionymus sacchari.