Picard, F. 1919 . Contribution a l'étude du peuplement d'un vegetal. La faune entomologique du Figuier. Annales du Service des Épiphyties Paris 143 pp.

Notes: Title in English: [Contribution to the study of plant breeding: entomological fauna of a fig tree.] Species discussed include Ceroplastes rusci, Lecanium hesperidum, Lepidosaphes conchiformis and L. ulmi.