Syngrapha celsa

Syngrapha celsa
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Clade:	Pancrustacea
Class:	Insecta
Order:	Lepidoptera
Superfamily:	Noctuoidea
Family:	Noctuidae
Genus:	Syngrapha
Species:	S. celsa
Binomial name
Syngrapha celsa H. Edwards, 1881
Synonyms
Plusia celsa Syngrapha octoscripta ab. beta Syngrapha altera ab. alterana

Syngrapha celsa, the plain silver Y or western conifer looper, is a moth of the family Noctuidae. The species was first described by Henry Edwards in 1881. It is found in North America from British Columbia to California, Idaho, Nevada, Arizona and New Mexico.

The wingspan is 34–38 mm. Adults fly from July to September depending on the location.

The larvae feed on Abies lasiocarpa, Abies grandis, Abies concolor, Picea egelmannii, Picea glauca, Pinus monticola and Tsuga heterophylla.

There are two recognised subspecies:

• Syngrapha celsa celsa
• Syngrapha celsa sierra