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Acronicta impressa, the impressive dagger moth or willow dagger moth, is a moth of the family Noctuidae. The species was first described by Francis Walker in 1856. It is found from western Canada to north-western Mexico.[1][2]

Acronicta impressa
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Lepidoptera
Superfamily:	Noctuoidea
Family:	Noctuidae
Genus:	Acronicta
Species:	A. impressa
Binomial name
Acronicta impressa Walker, 1856
Synonyms
Acronicta fasciata Acronicta verrilli Acronicta lemmeri Acronicta distans Grote, 1879 Acronicta scintillans Franclemont, 1938 Acronicta acla Benjamin, 1933

The wingspan is about 38 mm. Adults are on wing from early to midsummer depending on the location.

Recorded food plants include bitterbrush, rose, aspen, poplar and willow.

Subspecies

• Acronicta impressa impressa
• Acronicta impressa emaculata

References

External links

• "Species Details Acronicta impressa". University of Alberta Museums. E.H. Strickland Entomological Museum. Retrieved November 10, 2020.
• Murray, Tom (March 28, 2018). "Species Acronicta impressa - Impressed Dagger Moth - Hodges#9261". BugGuide. Retrieved October 20, 2020.
• "931477.00 – 9261 – Acronicta impressa – Impressive Dagger – (Walker, 1856)". North American Moth Photographers Group. Mississippi State University. Retrieved October 20, 2020.
• "Acronicta impressa Walker, 1856". Pacific Northwest Moths.
• "Acronicta impressa [Noctuidae]". Macromoths of Northwest Forests and Woodlands. US Geological Survey.

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