The present studies includes were conducted to study the effect of planting distances (5, 10 and 15 cm.), intercropping with onion plants and garlic varieties on the population of Thrips tabaci  Lindeman on garlic plants during two successive seasons (2010 /2011 and 2011 / 2012)inAssiut Governorate, Egypt, using the two garlic varieties (Egyptian and Chinese). Results indicated that the three mentioned variables have significant effect on the population of the insect pest. The plant distances were the most significant factor, with the high numbers of thripsclosest spacing (10 cm.) between plants. Intercropped garlic with onion showed that the garlic harbored lowest number of the pest whereas; in garlic solo the density of pest is high compared with intercropped with onion. Egyptian variety is lower infested than the Chinese variety one during the two seasons