What moths are native to Washington state? In Washington State, the larger moths belong primarily to two moth families—the Saturniidae, known as the giant silk moths, and the Sphingidae, sphinx, or hawk moths. We include a few of the larger moths from other families that homeowners are likely to encounter.
How do I identify a moth? Check for feathery antennae to spot a moth.
Moths’ antennae are saw-edged or feathery. On the other hand, a butterfly’s antennae tend to be club-shaped.
Do moths live in Washington State? Spongy moths are an invasive pest species in Washington. As caterpillars, they can eat hundreds of different types of plants and trees.
Are Atlas moths in the US? A large moth with a 10-inch wingspan has been spotted in Washington – and entomologists aren’t sure how it got there. The atlas moth is one of the largest moths in the world and it’s also illegal to keep them in the U.S., according to the Washington State Department of Agriculture.