From pecan to walnut: American leafminer invades Italy on a new tree

A leafminer that has been invading Italian walnut orchards since 2010, has been shown to be identical to the North American species that feeds on hickories and pecan. The identity of these moths as Coptodisca lucifluella was proved by DNA barcoding and morphological study. Probably the moth invaded the new host plant after it invaded Italy. The leafminer is already widespread in Italy but the level of damage does not seem to be worrisome, experts report. —> Read More Here


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