Urbec: nm The urbec (or cigarer of the vine or cigarer) is a parasite of the vine caused by a beetle the Byctiscus betulae belonging to the family of the weevils with only one generation per year. This golden-green insect, measuring 6 to 8 mm, has a long beak that allows the female to lay eggs to sting the leaf petiole and lay 1 to 16 eggs. The leaves will then wither and then roll up on themselves like a cigar. To defend against it, the chi...
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