Liriomyza trifolii

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Liriomyza trifolii

American Serpentine Leafminer
Type: Insect
Binomial: Liriomyza trifolii
Family: Agromyzidae
Order: Diptera
Metamorphosis: Complete
Damaging stages: Larvae

Liriomyza trifolii is a Pest of greenhouses and warm climates, though it may seasonally escape in cooler climates. It is a Leaf Miner of many cultivated and weedy species.


A small yellow fly as an adult, a leaf-mining maggot as a larva.

Symptoms and Signs[edit]

Mining of leaves, eventually causing leaf drop.


This insect has been spreading throughout the world over the past decades, believed to be transported on florist's materials.

Host plants[edit]