Identifikasi dan Kelimpahan Populasi Lalat Pengorok Daun (Liriomyza spp.) (Diptera, Agromizydae)pada Tanaman Bawang Merah (Alium ascalonicum L.) dan Bawang Daun(Alliumfistolosum L.)

This research was conducted in order todetermine the species and abundancepopulation of leaf miner which attacked the onion plant (Alium ascalonicum L.) and welsh onion (Allium fistolosumL.). The samplein this researchwas taken by purposive method by taking 100 leaves perspecies of onion in Bangli andTabananRegencies. Theleaf sample was reared in a bottle container and the emerged adult insects of the leaf miner were identified morphologically. The results showed the leaf miner species that attacked onions plant and welsh onion were Liriomyza chinensisand Liriomyza huidobrensis. The leaf miner species found on onion plant in Songan Village, Bangli Regency wasL. chinensiswith an abundance of 100% (324 adult insects). Meanwhile, inBatusesa Village,Tabanan Regency, which is the center of welsh onion production, two species of leaf miner were found, namely L. chinensisand L. huidobrensiswith an abundance of L. chinensis97.0% (258 adult insects) and L. huidobrensis3.0% (8 adult insects). In generally, L. chinensisis a species of leaf miner which dominatethe onion plantations.Keywords: Leaf miner, onion plant, welsh onion, abundance.1.Latar BelakangBawang merahdan bawang daunmerupakan salah satu komoditi holtikultura dan tergolong jenis sayuran yang digunakan sebagai bahan ataupun bumbu penyedap makanan sehari-hari dan juga biasa dipakai sebagai obat tradisional atau bahan untuk