elm leaf miner
insect
Also known as: Fenusa ulmi
Quick Summary
The elm leaf miner is an insect larva that lives and feeds within the leaves of elm trees. These miners create serpentine or blotch-like tunnels, which can mar the appearance of ornamental trees. The elm leaf beetle (Pyrrhalta luteola) is a specific type of beetle that, in both its larval and adult stages, is a pest that eats elm leaves. While leaf miners don't typically cause significant damage, insecticides are often ineffective due to their protected habitat within the leaf.12
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