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Xanthogaleruca is a genus of beetles belonging to the family Chrysomelidae. [1] These elm leaf beetles are pests that feed on ornamental plants until they are stripped of their leaves entirely. [ 2 ]
Both the adults and larvae feed on the emergent leaves of the elm. Repeated heavy infestation rarely kills the tree outright, but weakens it, rendering it vulnerable to disease. Falling branches encourage elm bark beetles (Scolytus multistriatus and S. schevyrewi) to proliferate; the beetles are vectors of Dutch elm disease. [4]
The Dutch elm disease is spread in North America by two species : the native elm bark beetle, Hylurgopinus rufipes, and the European elm bark beetle, Scolytus multistriatus. In Europe, while the aforementioned Scolytus multistriatus again acts as vector for infection, it is much less effective than the large elm bark beetle Scolytus scolytus.
Like all beetles, they have 6 legs, and the front wings are hardened into armored plates called elytra that at least partially cover the abdomen. The typical ground beetle is black, often with ...
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Scolytus scolytus, the larger European elm bark beetle or large elm bark beetle, is a 3.5–6 mm long bark beetle species. [ 4 ] [ 5 ] It is of significant importance in Eurasia as a vector of Dutch elm disease .
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