Hypena bijugalis

Hypena bijugalis, the dimorphic bomolocha, dimorphic hypena or toothed snout-moth, is a moth of the family Erebidae. The species was first described by Francis Walker in 1859. It is found in North America from Nova Scotia across southern Canada to Vancouver Island, south over the whole United States to Florida.

Hypena bijugalis
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Lepidoptera
Superfamily:	Noctuoidea
Family:	Erebidae
Genus:	Hypena
Species:	H. bijugalis
Binomial name
Hypena bijugalis Walker, 1859
Synonyms
Bomolocha bijugalis Hypena toreuta Hypena internalis Hypena albisignalis Hypena pallialis Bomolocha fecialis

The wingspan is 24–31 mm. The moth flies from April to September depending on the location. There are two generations in much of the east. More generations southward.

The larvae feed on Cornus sericea and perhaps other Cornus species.

References

• Wagner, David L.; Schweitzer, Dale F.; Sullivan, J. Bolling & Reardon, Richard C. (2011). Owlet Caterpillars of Eastern North America. Princeton University Press. ISBN 978-0691150420.
• Cotinis (September 4, 2017). "Species Hypena bijugalis - Dimorphic Hypena - Hodges#8443". BugGuide. Retrieved February 12, 2020.
• Robinson, E. & Anweiler, G. G. "Species Details Bomolocha bijugalis". University of Alberta Museums. E.H. Strickland Entomological Museum. Retrieved November 11, 2020.
• "930564.00 – 8443 – Hypena bijugalis – Dimorphic Bomolocha Moth – Walker, 1859". North American Moth Photographers Group. Mississippi State University. Retrieved February 12, 2020.