Annaphila arvalis is a species of moth in the family Noctuidae (owlet moths). It was described by Henry Edwards in 1875 and is found in North America, where it has been recorded from foothill canyons and riparian habitats in south-eastern British Columbia, eastern Washington, north-central Oregon, south to southern California.
The wingspan is about 20 mm. Adults are on wing from early March to mid-April.
The larvae feed on Montia perfoliata.Pacific Northwest Moths
The MONA or Hodges number for Annaphila arvalis is 9854.Pohl, G.R.; Patterson, B.; & Pelham, J.P. (2016). Taxonomic Checklist of the Lepidoptera of North America, North of Mexico
References
Further reading Arnett, Ross H. (2000). American Insects: A Handbook of the Insects of America North of Mexico. CRC Press. Lafontaine, J. Donald & Schmidt, B. Christian (2010). "Annotated check list of the Noctuoidea (Insecta, Lepidoptera) of North America north of Mexico". ZooKeys, vol. 40, 1-239.
External links Butterflies and Moths of North America