Spilarctia biagi
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Lepidoptera
Superfamily:	Noctuoidea
Family:	Erebidae
Subfamily:	Arctiinae
Genus:	Spilarctia
Species:	S. biagi
Binomial name
Spilarctia biagi (Bethune-Baker, 1908)
Synonyms
Diacrisia biagi Bethune-Baker, 1908 Spilosoma biagi Diacrisia biagi elongata Rothschild, 1914 Diacrisia biagi angiana Joicey & Talbot in Joicey, Noakes & Talbot, 1916 Diacrisia nigricorna Joicey & Talbot, 1916

Spilarctia biagi is a moth of the family Erebidae. It was described by George Thomas Bethune-Baker in 1908. It is found in New Guinea.^[1]