Leaves often marked by the trail of a leaf miner. Certain breeds of coffee have been found to be resistant to nematodes and leaf miner. Phytomyza is a genus of leaf miner flies in the family Agromyzidae. Liriomyza is a genus of leaf miner flies in the family Agromyzidae. The leaf miner keeps leaves from growing. Agromyza pseudoreptans is a species of leaf miner flies in the family Agromyzidae. Amauromyza flavifrons is a species of leaf miner fly in the family Agromyzidae. Phytomyza erigerophila is a species of leaf miner fly in the family Agromyzidae. Ophiomyia maura is a species of leaf miner flies (insects in the family Agromyzidae). Spinosad does not kill on contact and must be ingested by the leaf miner. Agromyza albitarsis is a species of leaf miner fly in the family Agromyzidae. Phytomyza davisii is a species of leaf miner fly in the family Agromyzidae. Calycomyza menthae is a species of leaf miner fly in the family Agromyzidae. Calycomyza verbenae is a species of leaf miner fly in the family Agromyzidae. Phytomyza ovalis is a species of leaf miner fly in the family Agromyzidae.