''Ypsolopha angelicella'' is a

moth Moths are a paraphyletic group of insects that includes all members of the order Lepidoptera that are not butterflies, with moths making up the vast majority of the order. There are thought to be approximately 160,000 species of moth, many of w ...

of the family

Ypsolophidae Ypsolophidae is a family of moths with some 160 species. They are included in the Plutellidae by many authors. Systematics This is a list of genera and selected species. Ypsolophinae * '' Phrealcia'' Chrétien, 1900 * '' Ypsolopha'' Latreille, ...

. It is known from the United States, including

California California is a U.S. state, state in the Western United States, located along the West Coast of the United States, Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the List of states and territori ...

. The moth has a

wingspan The wingspan (or just span) of a bird or an airplane is the distance from one wingtip to the other wingtip. For example, the Boeing 777–200 has a wingspan of , and a wandering albatross (''Diomedea exulans'') caught in 1965 had a wingspan of ...

of 19–22 mm. Its antennae are white with sharp black annulations. The palpi, head and thorax are white and the shoulders yellowish. The forewings are white with striking fawn-brown ornamentation. The hindwings are shining ochreous white and the legs and underside of the body are white.Notes on the Cerostoma Group of Yponomeutidae, with Descriptions of New North American Species
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References

Ypsolophidae Moths of North America {{Ypsolophidae-stub