1. Abebe G Hart JH Adams RD 1990. The relationship of site factors to the incidence of Cytospora and Septoria cankers and poplar and willow borer in hybrid poplar plantations. General Technical Report - North Central Forest Experiment Station USDA Forest Service No. NC-140:163-171
2. Allegro G 1990. Mechanical control of the principal xylophagous insects of poplar using trunk barriers. Informatore Agrario 46(11):91-95
3. Allegro G 1997. Conoscere e combattere il Punteruolo del pioppo (Cryptorhynchus lapathi L.). Sherwood - Foreste ed Alberi Oggi 29:33-38.
4. Cadahia D 1965. Preferencias clonales del Gorgojo perforador del chopo (Cryptorrhynchus lapathi L. (Col. Curculionidae). Boll. Serv. Plagas For. 8(16):115-125.
5. Caesar L 1915. The imported Willow and Poplar Borer or Curculio (Cryptorrhynchus lapathi L.). 46th Ann. Rept. Entom. Soc. Ontario Toronto 33-40.