author(s)
Sidrah Ishtiaq, Waheed Ali Panhwar, Sardar Azhar Mehmood, Imran Khatri and Shabir Ahmad

abstract
The present investigation was conducted to study the population and incidence of pests on different Tomato (Lycopersicon esculentum L.) varieties from District Mansehra Pakistan. Several field trips were carried out and pest species were collected and taken to lab for the observation. The pest species were sorted out into four groups i.e: Aphids, Whitefly, Lepidopteran and Leaf minors. During the present study, the highest population of Leaf minor was observed in tomato variety of Syngenta TO – 1057 with 21%. In 1225 Hybrid F1 23% of white fly were observed. In Mission 102 F1 28% Aphids were observed. In Super prince F1 30% Aphids were observed. In Polo 295 F1 14% lepidopterans were present. In Larica F1 15% Whitefly were observed and 11% Lepidopterans were observed in F1 hybrid. The Lowest population in Sygenta TO – 1057 is 8% of lepidopteran. 16% of Leaf minors in 1225 Hybrid F1. 15% of Whitefly in Mission 102 F1. 21% of Whitefly in Super prince F1. 9% of Aphids in Polo 295 F1. 8% of Aphids in Larica F1 and 5% OF Aphids in F1 Hybrid.