Acronicta superans
Guenée, 1852
Splendid Dagger, Splendid Dagger Moth
A medium-sized noctuid with a 40–45 mm wingspan. are active from May to August across much of eastern and central North America. The has shown recent westward range expansion into Alberta.
Pronunciation
How to pronounce Acronicta superans: /æˈkrɒnɪktə suˈpɛrænz/
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
Identification
Wingspan 40–45 mm. Distinguished from other dagger moths in the Acronicta by specific wing pattern and coloration details, though precise diagnostic features require examination of specimens. The 'splendid dagger' suggests distinctive markings compared to .
Images
Distribution
Found from Newfoundland west to the foothills of Alberta, south to eastern Kentucky. Recent observations indicate westward range expansion into Alberta. Distribution records include Canadian provinces: Alberta, Manitoba, Saskatchewan; and US state: Vermont.
Seasonality
on wing from May to August, with timing varying by location.
Similar Taxa
- Acronicta americanaAmerican Dagger Moth; larger with different caterpillar associations (box elder and other trees)
- Acronicta betulaeBirch Dagger Moth; associated with birch trees, more restricted eastern distribution
- Acronicta radcliffeiRadcliffe's Dagger Moth; similar size range but different wing pattern and plant preferences