Operophtera is a genus of moths in the family Geometridae erected by Jacob Hübner in 1825.
Selected species Operophtera bruceata (Hulst, 1886) – bruce spanworm (also native winter moth in North America) Operophtera brumata (Linnaeus, 1758) – winter moth Operophtera danbyi (Hulst, 1896) Operophtera fagata (Scharfenberg, 1805) – northern winter moth
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