Acronicta impressa explained

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]

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

External links

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

Notes and References

1. Web site: Savela . Markku . August 29, 2020 . Acronicta impressa (Walker, 1856) . Lepidoptera and Some Other Life Forms . October 20, 2020.