Acronicta superans
Guenée, 1852
Splendid Dagger, Splendid Dagger Moth
A -sized 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/
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Identification
Wingspan 40–45 mm. Distinguished from other dagger in the Acronicta by specific 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 from May to August, with timing varying by location.
Similar Taxa
- Acronicta americana Dagger ; larger with different associations (box elder and other trees)
- Acronicta betulaeBirch Dagger ; associated with birch trees, more restricted eastern distribution
- Acronicta radcliffeiRadcliffe's Dagger ; similar size range but different pattern and preferences