Macdunnoughia confusa, or Dewick’s plusia, is a moth of the family Noctuidae. It was first described by James Francis Stephens in 1850. It is found from Europe through Siberia to Japan and is also present in Lebanon and Israel.
The wingspan is 30–. The length of the forewings is 12–. The moth flies in three generations from April to October .
The larvae feed on various herbaceous plants such as Lamium, nettle, Artemisia absinthium and chamomile.