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British Dictionary definitions for umber moth

umber moth

noun
  1. any of various brownish geometrid moths, esp the waved umber (Menophra abruptaria) and small waved umber (Horisme vitalbata), that are cryptically marked to merge with tree bark, and the mottled umber (Erannis defoliaria) whose looper larvae can strip branches and even treesOften shortened to: umber
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