Syngrapha diasema

Syngrapha diasema is a species of moth in the family Noctuidae that was first described by Jean Baptiste Boisduval in 1829. It is found from northern Fennoscandia to Siberia, across the Arctic and subarctic. In North America, it has been reported across the Arctic and subarctic from Labrador to central Alaska.

Syngrapha diasema
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Lepidoptera
Superfamily:	Noctuoidea
Family:	Noctuidae
Genus:	Syngrapha
Species:	S. diasema
Binomial name
Syngrapha diasema (Boisduval, 1829)
Synonyms
Plusia diasema Boisduval, 1829 Syngrapha diasema ab. connexa Warren, 1913

The wingspan is 30–33 mm. Adults are on wing in July depending on the location. There is one generation per year.

The larvae feed on Betula species (including Betula nana) and Vaccinium and Populus species, as well as Trollius europaeus.

External links

• Anweiler, G. G. & Robinson, E. "Species Details Syngrapha diasema". University of Alberta Museums. E.H. Strickland Entomological Museum. Retrieved November 12, 2020.