Aeolesthes sarta and Aegeria species were recorded in Northern areas and Chitral infesting Populus nigra, P. X-euramericana and P. alba. In Gilgit and the adjoining areas A. sarta caused 80 to 100% infestation of P. x euramericana. At Gahcuch, 70 to 90% each at Jaglot and Sherqilla and 60 to 80% each at Singal, Gulmati, Babur and Gulabpur. P. nigra was infested by the pest from medium to heavy at Singal (60-80%), Jaglot, Sherqilla and Ghich (50-70%) each, while its damage on P. alba ranged from 5 to 30% in these areas.