1. Pests and Diseases in Croatian Forests Forest Research Institute JastrebarskoCroatia

2. Department for Forest Protection and Hunting Department for Forest Protection and Hunting Forest Research Institute – center for monitoring and diagnosis of forest pests and diseases since 1980. Forest Research Institute – center for monitoring and diagnosis of forest pests and diseases since 1980. New Law on plant health (2006) – more obligations for FRI – quarantine pests and nurseries New Law on plant health (2006) – more obligations for FRI – quarantine pests and nurseries

3. Field methods Gypsy moth – transects (egg masses) Gypsy moth – transects (egg masses) Winter moths – glue rings Winter moths – glue rings Pine processionary moth – egg masses Pine processionary moth – egg masses Early defoliators – winter oak branches Early defoliators – winter oak branches Pheromone traps Pheromone traps Oak powdery mildew – estimate of infestation Oak powdery mildew – estimate of infestation

4. Laboratory methods Winter oak branches – counting of larvae Winter oak branches – counting of larvae Gypsy moth and pine processionary moth egg parasitoids Gypsy moth and pine processionary moth egg parasitoids

5. Oak powdery mildew (Microsphaera alphitoides)

7. Other plant diseases Sweet chestnut cancer present in all sweet chestnut forests Sweet chestnut cancer present in all sweet chestnut forests Fungal diseases of acorns Fungal diseases of acorns

8. Gypsy moth (Lymantria dispar)

9. Gypsy moth

10. Winter moths (Geometridae)

11. Pine processionary moth (Thaumatopoea pytiocampa)

12. Tortrix viridana

13. Silver fir bark beetles

14. Spruce bark beetles

15. Pine bark beetles

16. Other biotic damages wild game wild game rodents rodents weeds weeds

17. Abiotic damages frost frost drought drought windthrow, ice-break windthrow, ice-break

18. Pests and diseases 2003-07.