Marmara oregonensis is a moth of the family Gracillariidae. It is known from Oregon, United States to British Columbia, Canada in western North America. Global Taxonomic Database of Gracillariidae (Lepidoptera)
The larvae feed on Abies grandis and Pseudotsuga menziesii. They mine the stem of their host plant.A New Species of Bark-Mining Marmara (Lepidoptera: Gracillariidae) from Douglas-fir
References