The tomato leafminer, Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae) and the serpentine leafminer, Liriomyza trifolii (Burgess) (Diptera: Agromyzidae) are devastating pests of tomato. We study the effect of tomato grown under zero-budget natural farming (ZBNF), organic farming (OF) and conventional farming (CF) systems on the development biology and population growth parameters of these pests. Tomato grown under different farming systems had significant effect on the biological parameters like incubation period, pupal period and fecundity of T. absoluta and L. trifolii. Population growth parameters like gross reproductive rate, net reproductive rate, intrinsic rate of increase, doubling time and finite rate of increase was also calculated. These results showed no significant differences had found on these parameters when T. absoluta and L. trifolii were reared on tomato grown under ZBNF, OF and CF systems. These findings can be useful for developing and improving sustainable management of the pest.