''Arctia yarrowii'', or Yarrow's tiger moth, 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 Erebidae. It was described by Richard Harper Stretch in 1874. It is found in North America from Hudson Bay to

British Columbia British Columbia (commonly abbreviated as BC) is the westernmost province of Canada, situated between the Pacific Ocean and the Rocky Mountains. It has a diverse geography, with rugged landscapes that include rocky coastlines, sandy beaches, ...

and northern

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 ...

. The habitat consists of barren rocky

fellfield A fellfield or fell field comprises the environment of a slope, usually alpine or tundra, where the dynamics of frost (freeze and thaw cycles) and of wind give rise to characteristic plant forms in scree interstices. Soil dynamics The freeze-thaw ...

s and slides above the timberline. These moths are also found in the

Pacific Northwest The Pacific Northwest (sometimes Cascadia, or simply abbreviated as PNW) is a geographic region in western North America bounded by its coastal waters of the Pacific Ocean to the west and, loosely, by the Rocky Mountains to the east. Tho ...

. The length of the forewings is about 22 mm. The ground color of the forewings is cream to light yellow, with a pattern of broad dark brownish-gray transverse lines. The hindwings are orange marked with dark gray. Adults are on wing from mid-July to mid-August. The larvae probably feed on various herbaceous plants."''Arctia yarrowii'' (Stretch, 1873)"
''Pacific Northwest Moths''. This species was formerly a member of the genus ''Pararctia'', but was moved to ''Arctia'' along with the other species of the genera ''Acerbia'', ''Pararctia'', ''Parasemia'', ''Platarctia'', and ''Platyprepia''.

References

Arctiina Moths described in 1874 {{Arctiina-stub