Argyresthia pseudotsuga is a moth of the family Yponomeutidae. It is found in North America, including Washington.
Adults emerge in April.
The larvae feed on Pseudotsuga menziesii.HOSTS - a Database of the World's Lepidopteran Hostplants They mine the twigs and tips of their host plant. Pupation takes place around the end of January.A Guide to Insect Pests in Douglas-fir Seed Orchards
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