- Merkl, O., and C. K. Tusnadi. 1992. First introduction of Xyleborus affinis (Coleoptera: Scolytidae), a pest of Dracaena fragrans "Massangeana", to Hungary. Folia Entomologia Hungarica 5267-72.
- Merkl, O., and C. Tusnadi. 1992. First introduction of Xyleborus affinis (Coleoptera: Scolytidae), a pest of Dracaena fragrans "Massangeana", to Hungary . Folia Entomologica Hungarica 52:67-72.