description Elm Leaf Beetle Overview
The elm leaf beetle (Pyrrhalta luteola) is a chrysomelid beetle native to Europe that has become a widespread pest of elm trees in North America, Australia, and elsewhere. Both adults and larvae feed on elm foliage, skeletonizing the leaves, and heavy infestations can repeatedly defoliate trees over a season, weakening them. The yellowish, dark-striped larvae typically feed in groups on the undersides of leaves.
help Elm Leaf Beetle FAQ
What does the elm leaf beetle damage?
The elm leaf beetle, Pyrrhalta luteola, feeds on elm foliage. Both adults and larvae can skeletonize leaves, and repeated heavy infestations can weaken trees.
Where did the elm leaf beetle originate?
The species is native to Europe. It has spread or become established as a pest in North America, Australia, and other regions where elm trees are grown.
Do both adult and larval elm leaf beetles eat elm leaves?
Yes. Both life stages feed on elm foliage, although the damage may appear at different times during the insect's development.
What family does Pyrrhalta luteola belong to?
The elm leaf beetle belongs to the family Chrysomelidae, commonly called the leaf beetle family. Its scientific name is Pyrrhalta luteola.
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