''Ypsolopha querciella'' 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

Arizona Arizona ( ; nv, Hoozdo Hahoodzo ; ood, Alĭ ṣonak ) is a state in the Southwestern United States. It is the 6th largest and the 14th most populous of the 50 states. Its capital and largest city is Phoenix. Arizona is part of the Fou ...

and

Utah Utah ( , ) is a state in the Mountain West subregion of the Western United States. Utah is a landlocked U.S. state bordered to its east by Colorado, to its northeast by Wyoming, to its north by Idaho, to its south by Arizona, and to it ...

. The

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 ...

is about 17 mm. The antennae are white with black annulations. The labial palpi are light brown on the outside and whitish on the inside. The tuft is longer than the terminal joint, which is white. The face and head are canary yellow and the thorax is light reddish brown. The forewings are light golden brown and lightest and more yellowish along the costal edge and with strong silvery and greenish reflections. On the dorsal edge are two faint parallel outwardly oblique darker brown streaks, one at basal third and one at the middle of the wing, reaching beyond the fold and two other subobsolete streaks perpendicular to these, all together forming a faint inverted open W. The hindwings are light ochreous fuscous and the legs and underside of the body are golden white.Notes on the Cerostoma Group of Yponomeutidae, with Descriptions of New North American Species
The larvae feed on ''

Quercus An oak is a tree or shrub in the genus ''Quercus'' (; Latin "oak tree") of the beech family, Fagaceae. There are approximately 500 extant species of oaks. The common name "oak" also appears in the names of species in related genera, notably '' ...

'' species.

References

Ypsolopha Moths of North America Moths described in 1903 {{Ypsolophidae-stub