Regard to the importance of the garlic cultivation in East Azarbaijan (North-West Iran) and limitation function of the onion thrips on garlic production, current study aimed to study the efficiency of the different coloured sticky traps located at different heights. Studies carried out in a 0.15 ha garlic field in Mamaghan (North-West of Iran) using four replicates of yellow, blue and white coloured sticky traps located randomly at 30, 70 and 100 cm heights. Sticky traps were replaced weekly.
