Definition of iris borerCategorized under "General"
Definition as written by Terry:
A moth or beetle larva that bores into the foliage and even the rhizome of the iris. Left unchecked, it will eventually cause the rhizome to rot and die. When damage is detected, traditional insecticides or parisitic nematodes may be used to destroy the larva.
Definition as written by LeeInIowa:
These devils of your iris bed are much bigger than you\'d think from looking at the small brown splotches left on your iris stalk where they gained entry. Here\'s a full-grown one from a central Ohio garden, taken July of 2010.
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